LEO Network

About the LEO Network
The LEO Network is a worldwide network of observers and experts that share their observations of environmental change.
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Observations

Abnormal growth on Inconnu (Stenodus leucichthys)
A tumor is present on the lower jaw of the sheefish (*Stenodus leucichthys*).
Nunam Iqua, Alaska, United States
Jayde Ferguson, Erica Lujan, Jeremy Fitka

‘Everyone Loses’: The Government Is Rationing Water at the California-Oregon Border
A major drought has forced farmers and Indigenous tribes to compete for water in a situation nobody ever wanted.
Lakeview, Oregon, United States
Vice

Research Shows Predators May Be Large Factor In Decreased King Salmon Size
The size of king salmon returning to Western Alaska rivers to spawn has been decreasing over the past few decades. Researchers at the University of Alaska
Bethel, Alaska, United States
KYUK

Rare salmon shark spotted near Catalina Island
Salmon sharks are rarely seen this far south; typically they swim off Alaska and in the northern Pacific Ocean where they have access to their favorite food.
San Pedro, California, United States
Orange County Register

Magne Vorland got grey shark – shattered 43 year old Norwegian record
Magne Vorland (27) was surprised when he saw what was coming to the surface. "Unusual," says the expert.
Ålfjorden, Rogaland, Norway
NRK

Black Patches on Cisco fish (Coregonus autumnalis) appear to be Phaeohyphomycosis
Fish caught while ice fishing has black patches on skin. Appears to be the same black fungal syndrome previously reported in Kipnuk.
Emmonak, Alaska, United States

Zebra mussels on Marimo moss balls are causing an emergency in WA
Moss balls imported from Ukraine to pet shops in the United States have been found to house the invasive Zebra mussel. Once in bodies of water, this mussel reproduces rapidly and wreaks havoc on ecosystems.
Seattle, Washington, United States
Crosscut

Police believe large numbers of dead fish have a natural explanation
In Eikefjorden in Kinn municipality, large quantities of dead horse mackerel recently washed ashore. The whole thing will probably end up as a meal for birds and other fish-interested animals, the police say. The cause of the fish kill remains a mystery.
Eikefjord, Kinn, Vestland
NRK

Had to go into the flood to save car
Several properties in Trysil have been affected by flooding after ice flow in Trysilelva. The garage where Johnny Stenbrenden has his beloved Chevrolet Camaro was flooded.
Jordet, Trysil river, Norway
NRK
Mette Finborud Børresen, Hans Andreas Solbakken, Torunn Myhre, Ola Bjørlo Strande

Goldfish invasion of Hamilton Harbour
Pet fish dumped in local waterways have become the scourge of Hamilton’s marshes and harbour
Hamilton Harbour, Ontario, Canada
Macleans.ca

Salmon freeze to death in the Skjoma river in Narvik – Statkraft refuses to release more water
The Skjoma River in Narvik is frozen through in several places – and locals fear the salmon population will have to endure a sharp reduction again. Statkraft says it will lose money if they release more water.
Skjoma, Narvik, Norway

Thousands of salmon lost in major seal attack
More than 50,000 juvenile fish were killed or escaped in the incident on Skye, says an industry body. The Scottish Salmon Producers Organisation (SSPO) said predation attacks continued to have a significant impact on fish health and welfare.
Portree, Scotland, United Kingdom
BBC News

Lake Washington sockeye hit record low, another signature Seattle fish at brink of extinction
Some 22,950 sockeye were counted at Ballard’s Hiram Chittenden Locks in 2020, but only about 3,000 made it to the mouth of the Cedar. Another 40 to 50% of those fish typically die on the spawning grounds before they can reproduce.A vortex of climate change, urbanization and predators endangers a beloved species.
Seattle, Washington, United States
Seattle Times

Strange electric rays wash up on Provincetown beach
Researchers document unusual find: 31 torpedo rays wash up on Provincetown beach just after Christmas.
Provincetown, Massachusetts, United States
Cape Cod Times

Duck die-off likely caused by fungal infection
The cause of death is almost certainly acute Aspergillosis, a respiratory tract infection caused by a fungus commonly found in soil, dead leaves, moldy grain, compost piles, or in other decaying vegetation. Wildlife managers say the die-off seems to have stopped, likely due to the fungus source no longer being available.
Salmon, Idaho, United States
ktvb.com

Generation of B.C. salmon likely wiped out by landslide
Homalco First Nation to push for special hatchery permits
Southgate River, British Columbia
Campbell River Mirror
Quinn Bender, Local Journalism Initiative Reporter

Spring phenomenon in November: There goes the ice for the third time this fall
The warmest November in over 100 years has had unusual consequences in Finnmark. The video shows the third breakup this autumn.
Tana, Norway

In Southeast, this year's salmon harvest fell by more than half
Southeast’s total salmon harvest was 19 million fewer fish than last year. There was a drop in harvest for every species except chinook, which increased by a few thousand fish.
Wrangell, Alaska, United States
KTOO

Dead giant octopuses washed ashore south from Kamchtka peninsula on the Kuril Islands
A mass die off of fish and invertebrates has been reported in the Sea of Okhotsk, west of Kamchatka. Dozens of surfers reported symptoms including including poor eyesight, fever, diarrhea, nausea, vomiting, skin rashes and head and throat aches.
Severo-Kuril’sk, Sakhalin, Russia
Siberian Times

Why so glum, chum? Scientists perplexed by this year's low chum salmon numbers in Yukon River
This year the Eagle station's fall chum estimate is 23,828 fish. This is far below the escapement goal of 70,000 to 104,000 fish.
Eagle, Alaska, United States
CBC

Salmonids in North Fork of Chester Creek
The number of salmon returning to Chester Creek has improved since 2008. This year, spawning salmon are lingering in the creek later than usual.
Anchorage, Alaska, United States

Eco disaster at Kamchatka peninsula with mass death of sea animals at precious Pacific beach
Khalaktyrsky Beach near Petropavlovsk is littered with hundreds of dead sea animals, from deep-sea Giant Pacific octopuses, to seals, sea urchins, stars, crabs and fish. Surfers were the first to raise alarm after problems with eyesight, fevers and throat aches.
Khalaktyrsky Beach
Siberian Times

Rare King-of-the-salmon fish found on Vancouver Island
A rare deep-sea fish was discovered on Vancouver Island this month. A pair of friends, Natalie Mueller and Andie Lafrentz, were walking along Whiffin Spit in Sooke on Sept. 19 when they spotted what they first thought was a “large piece of scrap metal.”
Sooke, British Columbia, Canada
CTV News - Vancouver Island

Rare fish washes ashore at Whiffen Spit
It was a king-of-the-salmon (Trachipterus altivelis), a deep-sea-dwelling species of ribbonfish. Its common name comes from the legends of the Makah people west of Strait of Juan de Fuca, which believe this “king” leads the salmon to their spawning grounds each year.
Sooke, British Columbia, Canada
Times Colonist

Salmon and smiles: 30,000 pounds of fish distributed in Whitehorse
The Yukon First Nations Education Directorate gave away 30,000 pounds of free fish as part of its nutritional program in Whitehorse this week. People were particularly happy to receive the donation because salmon are well below the historical average this year.
Whitehorse, Yukon, Canada
CBC

Mushers react to scary closure of chum fishery
A lack of chum salmon is causing pain in riverside communities of Yukon and Alaska, as mushers are left without a traditional source of food.
Old Crow, Yukon, Canada
CBC

Chilkat sockeye, coho, chum runs appear low compared to past years
So far, the department has counted just under 37,000 fish at the Chilkat weir, well below the 10-year average of 80,000 fish. Zeiser said at this point in the season, it’s doubtful the run will hit the escapement range of 70,000 to 150,000 fish.
Haines, Alaska, United States
Chilkat Valley News

Yukon River fall chum run the worst on record
About 189,000 fall chum had entered the Yukon River as of Sept. 7. At least 300,000 fish must enter the river before either Alaska or Yukon fishers can begin harvesting.
Whitehorse, Yukon, Canada
Yukon News

Pink salmon catches in Nunavik are raising red flags for biologists
After learning about catches of pink salmon near Salluit, Quebec wildlife officials are urging any fishers who net the newcomers to report their catch. Two pink salmon were netted in Nunavik during the summer of 2019 in the Ungava Bay region, one near Kangirsuk.
Kangirsuk, Quebec, Canada
ArcticToday

Coho Salmon (Oncorhynchus kisutch) with Dead or Dying Eggs
Dead or dying eggs in a female coho salmon are a possible symptom of environmental stress felt by the fish. In Western Alaska, water levels have been low following a rapid spring snowmelt and low precipitation.
Quinhagak, Alaska, United States
Jayde Ferguson, Erica Lujan, Richard L Thoman Jr, Ted Meyers

Waterfowl Disappearance and Other Lake Ecosystem Changes
Residents note significant changes in the Christiansen Lake ecosystem since 2019. This includes fewer nesting birds, fish, and mammals around the lake, while the leech population has increased along with the occurrence of algal blooms.
Talkeetna, Alaska, United States

Uncommon Slimy Sculpin (Cottus cognatus) Catch
Slimy sculpins (*Cottus cognatus*) are small, nocturnal, bottom-dwelling fish that lack a swim bladder to help them stay bouyant in the water. Their size and habitat allow them to easily avoid fishing gear designed for salmon.
North Fork Andreafski River

Low Water and Few Fish
Early snowmelt and low precipitation have led to low river water levels on the southern Seward Peninsula. Low water levels may be a contributing factor in observations of poor fishing, and poor fish health, along the western coast of Alaska.
Elim, Alaska, United States

Low Water Makes Fishing Difficult
Early snowmelt and low rainfall contributed to low river levels near Nome, affecting the ability of residents to reach usual fishing spots.
Nome, Alaska, United States

Surprise flood kills salmon in West Iceland
A jökulhlaup flood struck West Iceland’s Hvítá river in the early hours of Tuesday morning when water from a lagoon by the Langjökull glacier suddenly broke a new path and flowed in a different direction. Thick glacial mud now coats the river banks, and much of Borgarfjörður fjord.
RÚV

Yukon Salmon Sub-Committee recommends halt on fishing for Chinook
The Yukon Salmon Sub-Committee is recommending the complete cessation of fishing for Chinook salmon this year on the Yukon River.
Whitehorse, Yukon, Canada
Yukon News

Miami-Dade fireboats hit the water to help with major fish kill in South Florida waters
Another day of dead marine life surfacing in Biscayne Bay as the swath of suffocated fish appears to be spreading.
Miami, Florida, United States
WPLG

Three great white sharks venture 'very tight' to Nova Scotia shores
Three great white sharks broke the border rules big-time on Friday. The sharks were tracking very tight to shore near South Shore communities.
Lunenburg, Nova Scotia, Canada
The Telegram

U.S. officials allow killing of sea lions eating at-risk salmon and steelhead in Columbia River watershed
The sea lions have posed a long-running conundrum for wildlife officials, pitting mammals protected under federal law against protected — and valuable — fish runs.
Portland, Oregon, United States
Anchorage Daily News

Salmon rivers closed in face of high temperatures, low water
Salmon rivers like the Exploits River were closed to anglers around the province by the Department of Fisheries and Oceans earlier this week because of low water levels.
Botwood, Newfoundland and Labrador, Canada
The Telegram

Chum runs on Kuskokwim River are late and low
Usually Aug. 7 is the midpoint of the coho run, but this year it was not until Aug. 8 that numbers at the Bethel test fishery increased, and then only modestly.
Bethel, Alaska, United States
Alaska Public Media

The cause of the mass mortality of fish in a large river in the Tyumen region has been determined
Local residents made a mound that led to the shallowing of the reservoir.
Тюмень, Tjumen, Russia
Radio Sputnik

Not a good salmon season in the Far East and fishery closes in an area of ​​Kamchatka
Петропавловск-Камчатский, Kamchatka Krai, Russia
FIS World News

Salmon Is Disappearing From Russia’s Amur River. It’s Taking Local Tradition With It
The Amur River, once full of salmon, has seen the fish all but vanish since 2017. The problem started because of over fishing. At first companies were harvesting in the first 100 kilometers of the river, and since they have expanded 700, 800 kilometers upstream.
Khabarovsk, Khabarovsk Krai, Russia
The Moscow Times

Black bear injures Juneau man after following him through open door
With few fish and limited berries, bear encounters are high in Alaska's capital city this year.
Juneau, Alaska, United States
Anchorage Daily News

Summer resident killed by great white in Maine’s first fatal shark attack
Julie Dimperio Holowach, a recently retired fashion executive from New York City, was swimming near Bailey Island on Monday afternoon when she was attacked.
Portland, Maine, United States
Press Herald

Invasive grass carp caught in Chambly Basin
Scientists say the grass carp population in the Chambly Basin is probably small, but the presence of this species in any number is bad news.
Chambly, Quebec, Canada
Montreal Gazette

Some salmon return, but ‘not nearly enough’
Chum salmon have started returning the Douglas Island Pink and Chum Inc. Hatchery on Channel Drive, but it’s still not enough to establish a broodstock. As the hatchery struggles to ensure future stocks, fishermen are taking what fish they can just for cost recovery.
Juneau, Alaska, United States
Juneau Empire

Fisherman snags barracuda off Vancouver Island in rare encounter
Ferocious fish, not native to Canada, was netted and released in Alberni Inlet
Alberni Inlet, Vancouver Island, Canada
Port Alberni Valley News

Green Sturgeon (Acipenser medirostris) in Kachemak Bay
Until 2007, there have been only three verified reports of green sturgeon in the Gulf of Alaska and Bering Sea, and two anecdotal reports from the Copper River and Unalaska areas.
Halibut Cove, Alaska, United States

Southern resident whales returning later to Salish Sea in ‘drastic’ change
Southern resident killer whales made their first appearance in the Salish Sea on Canada Day after more than two months with only a brief sighting off the west coast of Vancouver Island.
Strait of Georgia
Times Colonist

Dead Tomcod (Microgadus proximus) on Beach
Dead tomcod were found on the beach following warm temperatures in Norton Sound, repeating a 2019 mortality event in the same area.
Teller, Alaska, United States

Northern anchovy blooms bring more sea life to Burrard Inlet
Northern anchovy are becoming more comment perhaps due to warmer temperatures. A 10-centimetre-long fish represents an anchovy that's about a year old suggesting that the fish are spawned locally in the pelagic zone, or upper, warmer zone of the seawater.
Port Moody, British Columbia, Canada

Wild salmon in Irish rivers displaying symptoms of red skin disease
Salmon affected have a characteristic red-spotted rash on their underbelly and may appear lethargic or moribund. In the past few weeks, suspected cases have also been reported in Denmark, Norway and Scotland.
River Leannan, Co. Donegol, Ireland
The Irish Times

Large landslides have passed in Alta
One person was evacuated and brought to safety after the landslide at Kråkneset in Alta municipality. A total of eight buildings were swept to the sea in the 650-metre landslide. Due to a high avalanche risk, police have still not entered the area.
Kråkenes, Alta, Norway
Sofie Dege Dimmen, Ida Loise Rostad, Idun Aalbu Rasmussen, Jo Hermstad Tronsen

Low sockeye returns prompt commercial fishing closure on the Copper River
"We’re way, well below what we expect to be at this point,” said Jeremy Botz, a biologist with the Alaska Department of Fish and Game. He says so far the entire commercial fleet has harvested around 6,000 sockeye, which is way below what the department anticipated
Cordova, Alaska, United States
Alaska Public Media

Algae bloom chokes Achencoil river stretch
Eutrophication — excess nutrients in water — and environmental changes were identified as the cause of the harmful algal blooms in the fresh aquatic system of the Achencoil.
Pathanāmthitta, Kerala, India
The Hindu

Icelandic Capelin May Have Migrated to the Faroes
A large stock of capelins have been found in Faroese fjords of late and scientists believe that the fish probably swam there from Icelandic waters, RÚV reports. Iceland’s capelin stock has been in decline over the last two years, likely due to rising ocean temperatures.
Faroe Islands
Iceland Review

White Spots in Smelts Appear to Be a Type of Tapeworm or Nematode
The white spots found in the smelt appear to be tapeworm or nematode larvae. The Centers for Disease Control and Prevention (CDC) recommend cooking fish at about 153 degrees Fahrenheit for 5 minutes or freezing the fish at -4 degrees Fahrenheit for 7 days to kill the larvae before you eat the fish.
Chevak, Alaska, United States

'Nature is taking back Venice': wildlife returns to tourist-free city
Look down into the waters of the Venice canals today and there is a surprising sight – not just a clear view of the sandy bed, but shoals of tiny fish, scuttling crabs and multi-coloured plant-life.
Venice, Veneto, Italy
The Guardian

Otters spotted in southern Alberta city for first time in about a century
Some welcome new visitors have recently appeared in a southeastern Alberta park — otters.
Medicine Hat, Alberta, Canada

Salmon Farm Rips Open in Dýrafjörður
A tear was discovered in one of Arctic Fish’s open-sea fish farms in Dýrafjörður in the Westfjords. A notice on the company’s website says the tear was discovered during routine inspection and is located at a depth of about 20 metres (65 feet).
Bolungarvík, Westfjords, Iceland
Iceland Review

Hundreds of thousands of fish dead in NSW as bushfire ash washed into river
Ecologist fears the Macleay River may take decades to recover, with heavy rains likely to affect other waterways
Macleay River, New South Wales, Australia
the Guardian

Massive anchovy school in White Rock draws a crowd
“I’ve never seen anything like it,” said photographer Marissa Baecker, who was visiting White Rock from Kelowna on Christmas Day. “It wasn’t just a feeding, it was a feast.”
White Rock, British Columbia, Canada
Vancouver Sun

Anchovies take over White Rock shores
People in White Rock, B.C. are used to seeing fish in their waters but not quite like this.
White Rock, British Columbia, Canada
Facebook Watch

Confirmed extinction of the Chinese Paddlefish (Psephurus gladius)
Ivan Jaric Tweeted news of his published paper confirming the extinction of the Chinese Paddlefish (Psephurus gladius)
Yangtze River, China
Twitter

Nearly 20,000 non-native salmon escaped after fire at B.C. fish farm
One wild salmon advocate fears the non-native Atlantic salmon could spread sickness and compete for habitat with struggling wild salmon population.
Queen Charlotte Strait, British Columbia
British Columbia

Seabird Aggregation Over Abundant Northern Anchovy (Engraulis mordax)
Professor John Reynolds shared the following video of his observation of a large aggregation of gulls and other coastal seabirds over a large aggregation of Northern Anchovy at White Rock, BC.
White Rock, British Columbia, Canada
Twitter

Alaska Cod Fishery Closes and Industry Braces for Ripple Effect
Gulf of Alaska cod have been in steep decline due to rising ocean temperatures. Now, for the first time ever, federal fisheries managers are shutting down the lucrative fishery because of low stock.
Gulf of Alaska
NPR

IPN Virus Detected in East Iceland Fish Farm
It’s the first time that the virus has been detected in salmon in Iceland, though it was found in halibut in 1999. The virus poses no health risks to people.
Reyðarfjörður, East, Iceland
Iceland Review

Cape sees sharp rise in ocean sunfish strandings
As the Cape nears the start of sea turtle stranding season there is another long-distance migrant that researchers have spotted coming ashore in record numbers this year, Ocean sunfish.
Wellfleet, Massachusetts, United States
capecodtimes.com

Adams River sockeye salmon run lacking fish this year
One short section of the river that last year at Thanksgiving had more than 100 fish in it, this year on the same weekend had less than 20.
Adam's River, BC, Canada
Castanet

After summer of record heat, Alaska health officials see spike in scombroid poisoning from fish
Caused by eating fish that has not been properly chilled, symptoms can last up to 48 hours and include severe headaches, palpitations, blurred vision and abdominal cramps.At least seven people fell ill between May and August. Between 2015-2018, there were only five.
Anchorage, Alaska, United States
Alaska Public Media

Alberta’s bull trout listed as threatened and its ecosystem is in jeopardy
Bull trout, which are technically char, mostly inhabit cold and pristine snow-melt-fed waters. Changes in water quality and temperatures challenge the future for this species in Alberta.
Alberta
thestar.com

Mass fish kill spotted at Lake Pamamaroo near Menindee
New aerial footage appears to show thousands of dead fish at Lake Pamamaroo in the Menindee Lakes System, near Broken Hill, nine months after a mass fish kill event on the nearby banks of the Darling River.
Lake Pamamaroo, NSW, Australia
ABC News

Hybrid salmon discovered by scientists on Vancouver Island
Researchers on Vancouver Island are studying fish they recently discovered that share genes of both coho and chinook salmon. The hybrid fish, are likely the result of drought in the Cowichan watershed, which has impacted when and where coho and chinook spawn.
Cowichan River, British Columbia, Canada

Schools of California Anchovy (Engraulis mordax)
Ross Bay, Victoria, British Columbia, Canada

Poisonous porcupine fish arrives on Island shores — a B.C. first
Gavin Hanke reaches a gloved hand into the formaldehyde tank at the Royal British Columbia Museum very, very carefully. What emerges is a B.C. first — a poisonous spotted porcupine fish.
Jordan River, B.C. Canada
Times Colonist

Emaciated grizzly bears in Canada spark greater concerns over depleted salmon population
With hibernation fast approaching, a grizzly bear family is spotted searching for fish near the shores of Canada's Knight Inlet. They're emaciated, and wildlife observers worry might not make it through winter. The heartbreaking images highlight another victim of the climate crisis and the depleted salmon population.
Knight Inlet, British Columbia, Canada
CNN

Warm water, not sea lice, caused massive salmon die-off
Northern Harvest Sea Farms is busy cleaning pens of dead salmon, and the province's head aquaculture vet says higher-than-average water temperatures are to blame.
Fortune Bay, Newfoundland, Canada

88% Catch Decline of Jackass Morwong (Nemadactylus macropterus)
Southern Australia

Salmon shark stranded near Port Heiden at the end of an unusual summer
Along with significant seabird die-offs near Port Heiden, there have been reports of small whales and porpoises, walrus and sea otters washed up on shore.
Port Heiden, Alaska, United States

'First time I've seen a shark': Nunavut man nets shark in rare catch
"It's the first time I guess the whole town seeing a shark in real [life]," he said. "Must have been just about the whole town that come to see it." The shark is likely a salmon shark, typically found around Alaska and B.C.
Kugluktuk, Nunavut, Canada

An invasive algae is threatening the Strait of Gibraltar’s fishing grounds
Returning to port with tons of algae in their trammel nets, with hardly any fish, has become a common drama for the men fishing in Spain's Southern coast. The same “catastrophe” is also threatening the marine biodiversity of the area and piling up on beaches.
Spanish Mediterranean coast

As Bering Sea ice melts, Alaskans, scientists and Seattle's fishing fleet witness changes on a massive scale
Instead of halibut, fisherman are increasingly catching less valuable Pacific cod, voracious bottom feeders whose numbers in recent years have exploded.
Savoonga, Alaska, United States
Seattle Times

Whitehorse fish ladder sees fewest chinook salmon since 1977
The number of chinook salmon that reached the Whitehorse fish ladder this year hit a 40-year low, and it's not clear why. Just 282 chinook passed through the fish ladder this year, compared to 690 last year. "We did see some large pre-spawn mortality die-offs in a tributary of the Yukon River — the Koyukuk in Alaska. This was for summer chum, and not chinook — but we expect that that higher water temperature also affected the chinook migrating through."
Whitehorse Fish Ladder, Yukon, Canada

Scientists monitoring new marine heat wave off B.C. coast similar to 'the Blob'
A new marine heat wave spreading across a portion of the Pacific Ocean off the coast of British Columbia resembles the infamous "blob" that disrupted marine life five years ago.
Northeast Pacific Ocean

Slender armorhead (Pentaceros wheeleri) caught in purse seine
Juveniles and sub adults live and migrate in open water at shallow to moderate depths. They move to the bottom as adults when they settle around sea mounts in the North Pacific.
Chignik Lake, Alaska, United States
Melissa Good, Tom Okey, Amy Holman, Andrés López, Edgar Smith

Detectan presencia del 'Pez Diablo' en Sinaloa; una amenaza para la pesca y los ecosistemas
They detect the presence of the 'Devil Fish' in Sinaloa; a threat to fishing and ecosystems
Culiacán, Sinaloa, Mexico
News

Lake water to be pumped into B.C. river due to severe drought
A Vancouver Island watershed is experiencing such a severe drought the town of Lake Cowichan says it will start using pumps to keep the local river flowing.
Lake Cowichan, British Columbia, Canada

Invasive salmon return to Scottish rivers
Pink salmon are native to the Pacific Ocean. From stocking programs in Russia in the 1960s they have spread to Northern Europe, and in 2017 male and female pink salmon were spotted in the River Ness in the Highlands of Scotland. And now, two years later, camera images suggest that their spawn has returned.
River Ness, Scotland, United Kingdom
BBC News

Squamish volunteers opening up man-made dams stopping pink salmon
Don’t treat the river like a personal bathtub. It’s a message Squamish conservationists are putting forward after they found man-made dams blocking pink salmon from their spawning grounds.
Stawamus River, British Columbia. Canada
Squamish Chief

Blacksmith (Chromis punctipinnis) Newly Abundant in Central California
"In the midfield of my dive this school of blacksmith suddenly appeared. They were hiding from cormorants that dove into the water."
Edward F. Ricketts State Marine Conservation Area, California, United States

Sockeye salmon returns plunge in B.C., as climate change mainly to blame
Federal fisheries experts paint devastating picture of the challenges facing Pacific salmon and point to climate change as the main culprit.
Fraser River, British Columbia, Canada
Vancouver Sun

Dead Salmon Shark (Lamna ditropis) Near 2nd Cape
It is unusual to find a dead shark. And it occurred at a time when there were many other standings of marine mammals and birds.
Port Heiden, Alaska, United States
Bruce Wright, Kathy Burek Huntington, Jaclyn Christensen, Melissa Good

Record heat has Susitna Valley silver salmon in hot - and low - water
Two popular rivers are being closed to fishing because almost no cohos are making it upstream.
Willow, Alaska, United States
Anchorage Daily News

Wildfire Smoke Affecting Ability to Dry Fish
"The fish was easy to mold on the drying rack because the hot summer sun was not coming through the smoke."
Nuiqsut, Alaska, United States
Rosemary Ahtuangaruak, Raphaela Stimmelmayr, Alison York

Fish Found in Stream Where There Are Usually No Fish
Fish in a local pond may have been washed to their new location during a recent severe rain event.
Quinhagak, Alaska, United States

Anglers allowed to catch chinook salmon in southwestern Yukon
Recreational anglers on the Tatshenshini River are now allowed to catch one fish and have one in their possession. Last year, they were only allowed to catch and release the fish.
Mosquito Lake, Alaska, United States

Whitehorse fish ladder sees delayed start to Chinook run
The Whitehorse fish ladder is seeing a slower start to the season than usual, with fewer fish than average having passed through at this point compared to previous years.
Yukon News

Jakolof Creek Fish Die-off
"Jakolof Creek is dry almost all the way up to the switchbacks and continues to recede. The early run of red salmon may have made it to the lake, but that is probably the only run that has."
Head of Jakolof Bay on Jakolof Creek
Brian Berube, Stephen Payton, Glenn Hollowell, Michael Opheim , Ryan Brubaker

Pink Salmon (Oncorhynchus gorbuscha) with White Nodes/Lumps
If the cysts contain milky, white fluid, they are likely *Henneguya*, a harmless and relatively common parasite. But if they contain a larvae, they are likely tape worms which can infect people.
Tolstoi Bay, Alaska, United States
Ted Meyers, Carol Fletcher, Emily Mosites, Ryan Brubaker, Andrew Atkinson

Moldy fish in an Alaskan river threaten a community’s food supply
In early October 2013, local fishers Eli Nukapigak and Edward Nukapigak Jr. alerted wildlife officials to the discovery of “sick fish” in their nets near Nuiqsut. The aanaakłiq had fuzzy grayish-white patches on their bodies, fins, and heads. Cottony masses almost covered the eyes of some fish. None of the fishers in the community recalled seeing this condition before.
Nuiqsut, Alaska, United States
Hakai Magazine

Officials: Cause of eastern Finland fish kill could take weeks to ascertain
The condition of the lake isn’t very good and it has the typical problems with high nutrient levels and depleted oxygen.
Rautalampi, Pohjois-Savo, Finland
Yle Uutiset

First Confirmed Hoodwinker Sunfish Photographed in Monterey Bay!!
Major Mola Moment: First Confirmed Hoodwinker Sunfish Photographed in Monterey Bay!!
Pacific Grove, California, United States
Monterey Bay Aquarium

Chum salmon (Oncohynchus keta) and Northern Pike (Esox lucius) with Red Spots under Scales and Abrasions on Their Bellies
Warm water temperatures may be causing stress and increase the risk of infections and other illness in fish.
Buckland, Alaska, United States

Dead Pre-spawned Pink Salmon (Oncorhynchus gorbuscha)
During the summer of 2019, warm water temperatures lowered the amount of dissolved oxygen in rivers and caused salmon across the state, including Mountain Village, to die before they were able to spawn.
Mountain Village, Alaska, United States

Scientists Need Help Studying Dead Salmon In Yukon Area
Dead chum salmon are lining the banks of one of the Yukon River’s largest tributaries. Koyukuk River residents and scientists alike suspect the deaths are
Huslia, Alaska, United States
KYUK

Unspawned Chum Salmon (Oncorhynchus keta) and Other Dead Fish
"Over 40 dead dog salmon, one shee fish, one lush fish, and two delmaga all dead along the river going towards the creek opening."
Kaltag, Alaska, United States
Kyle Wright, Carolyn Craig, Jayde Ferguson

Bristol Bay sockeye harvest blowing away forecast once again
As of July 21, fishermen in Bristol Bay’s five districts had harvested just more than 42 million salmon.
Naknek, Alaska, United States
Elizabeth Earl, Alaska Journal of Commerce

Biologists scoop up invasive goldfish at Cuddy Pond
Wildlife officials used rotenone, a fish-killing chemical, to eradicate goldfish illegally introduced to the pond at Cuddy Family Midtown Park.
Anchorage, Alaska, United States

Salmon Die-off
Salmon are dying along the Andreafsky River and Lower Yukon River before spawning out. Water surface temperatures have been unusually warm, at one point reaching 70 degrees Fahrenheit.
St. Mary's, Alaska, United States
Jennifer Dobson, Jayde Ferguson, Eric Alstrom, Brian Lefferts

Dead Sockeye Salmon (Oncorhynchus nerka)
Thousands of dead sockeye salmon (*Oncorhynchus nerka*) found dead along the beach during a period of warm weather. Additional salmon have been observed in the Togiak River, raising concerns about possible challenges to subsistence harvest.
Twin Hills, Alaska, United States

Chum Salmon (Oncorhynchus keta) with Twisted Spine
Chum salmon (*Oncorhynchus keta*) caught with a spinal curvature, which may be related to many different factors including genetics, infectious disease, trauma, neoplasm, diet, or changes in the environment.
Mountain Village, Alaska, United States

Sturgeon Caught in Yukon River
Two sturgeon were caught in the Yukon River, farther upriver than has been previously reported.
Mountain Village, Alaska, United States

More dead marine mammals, birds found on region’s beaches
Alaska Sea Grant agent Gay Sheffield from Nome responded to report of a dead bowhead and a dead grey whale northeast of Shishmaref near Cape Espenburg.
Shishmaref, Alaska, United States
The Nome Nugget

Record Warm Water Likely Gave Kuskokwim Salmon Heart Attacks
As record high temperatures swept Alaska, many people said that the heat was killing them. For Kuskokwim salmon, it was actually true.
Akiak, Alaska, United States
KYUK

Dead Chum (Oncorhynchus keta) Salmon Floating in Yukon River
Dead chum salmon have been spotted floating down the Yukon river. Water temperatures are measuring at 70 degrees, the warmest in recollection.
Kotlik, Alaska, United States

Fish Die-Off Tubutulik River
We observed more than 50 otherwise healthy (not spawned out) dead fish including pink and chum salmon and white fish
Koyuk, Alaska, United States

Lots of Dead Female Pink (Oncorhynchus gorbuscha) Salmon
Warm water near Golovin is hurting pink salmon. Many salmon caught had red speckled dots on flesh, raising concerns about food safety. Female pink salmon were seen dead in the bay.
Golovin, Alaska, United States

Dead Silver Salmon (Oncorhynchus kisutch) in Kouwegoki Slough and Along Powers Creek, Among Other Locations
In early July, dead fish were observed floating along Kouwegoki Slough and along Powers Creek, among other locations.
John Henry, Racheal Lee, Anahma Shannon, Gay Sheffield

Warmer waters believed to be main cause for dead pink salmon in Norton Sound
Norton Sound residents have reported salmon die-offs in unusually large numbers during the last week. According to the Norton Sound Economic Development Corporation (NSEDC), dead pre-spawned pink salmon were found in multiple river systems over the weekend.
Shaktoolik, Alaska, United States

Dead Chum Salmon (Oncorhynchus keta), King Salmon (Oncorhynchus tshawytscha), and Whitefish Along Yukon Riverbank
Dead salmon and whitefish found along the banks of the Yukon River.
Alakanuk, Alaska, United States

Extremely Warm Temperatures
It was also during the week where a number of dead fish started to occur along the riverine segment.
Unalakleet, Alaska, United States
Anahma Shannon, John Henry, Richard L Thoman Jr, Gay Sheffield, Austin Ahmasuk

Sand Lance (Ammodytes hexapterus) Die-Off
Hundreds of dead sand lance (*Ammodytes hexapterus*) found along the shores of White Sands Beach.
Kodiak, Alaska, United States
Bruce Wright, Jayde Ferguson, Stephanie Mason, Ted Meyers

Dead Pink Salmon (Oncorhynchus gorbuscha) Floating Down River
"Our temperatures reached 83 degrees, and seem to be getting hotter! We think that maybe the warm water has something to do with the humpy die-off?"
Shaktoolik, Alaska, United States
Jayde Ferguson, Anahma Shannon, Toby Thaler, Jolene Auliye, Gay Sheffield

Add krill and mussels to the list of unusual marine deaths in Northwest Alaska
Village wildlife observers worry that the unusual warmth of oceans off Alaska is causing problems throughout the ecosystem.
Shishmaref, Alaska, United States

Warmer Water Means More Parasites In Kuskokwim Salmon
Subsistence families along the Kuskokwim River are cutting open fish to find white balls or white streaks deforming the meat.
Bethel, Alaska, United States

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