LEO Network

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

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

Support

Observation Template