LEO Network

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

Unusual cysts in grayling
"Grayling guts with unknown pearl like cyst or tapeworm. Never seen this before in our grayling."
Arctic Village, Alaska, United States
Noah Tsigonis, Crystal Frank Welker, Jayde Ferguson, Sarah Yoder

Wondering where the fish have gone
With a bleak salmon return this year in Northwest Alaska, a lifelong fisherman reflects on a season marked by empty nets and big questions.
Kotzebue, Alaska, United States
Anchorage Daily News

Orcas challenge the Bering Sea’s black cod industry
Orcas are starting to show new feeding behaviors around large trawler nets. They’re trying to steal fish caught in nets that are typically being hauled back. Scientists aren’t sure why orcas are doing this, but it’s dangerous for them because it increases their chances of getting caught in the net and dying.The problem is so bad that some fishermen have decided to skip fishing for black cod this year.
Unalaska, Alaska, United States
Anchorage Daily News

Spike in salmon shark sightings near Kodiak stumps researchers
Researchers are puzzled by an increase in salmon shark sightings near Kodiak, with unclear links to king salmon declines and insufficient data on shark populations and movements.
Kodiak, Alaska, United States
Alaska Public Media

Dead fish in creek near Eagle mine likely killed by cyanide, Yukon officials say
Officials with the Yukon government say dozens of dead fish found earlier this week in a creek near Victoria Gold's Eagle mine were likely killed by a discharge of contaminated water from the mine site.
Mayo, Yukon, Canada
CBC

“Huge disaster”: Historically weak pink salmon runs strain Alaska’s seine fishermen
Skippers in Prince William Sound and Kodiak say this year's pink harvest is one of the worst they’ve ever seen. “I wake up every morning and I try to apply for a different job," one said.
Kodiak, Alaska, United States
Northern Journal

First ever subsistence fishery closure at Port Clarence causes hardship at Teller, Brevig
After experiencing an unprecedented closure of subsistence salmon fishing, the Port Clarence district, including Teller and Brevig Mission, is now open for fishing.
Teller, Alaska, United States
The Nome Nugget

Most of the red salmon were carrying worms
From the images shared, these appear to be *Philemona*, a freshwater parasite. *Philomena* is a food quality concern but is *Not* considered a human health concern. With proper preparation, the salmon is safe to eat.
Kenai, Alaska, United States
Cindy Lawrence, Lars Flora, Mike Brook, Sarah Yoder, Jayde Ferguson

Anchorage's popular Ship Creek to close to sport fishing for 2 weeks
Ship Creek in Anchorage will be closed to sport fishing for two weeks to support salmon stock sustainability at a local hatchery.
Anchorage, Alaska, United States
Alaska Public Media
Wesley Early, Alaska Public Media - Anchorage

Unusual Bubble (Capsule) in Fish Eggs
These eggs from a trout caught in the Fish River, had unusual milky translucent capsules in it.
White Mountain, Alaska, United States
Jacqualine Schaeffer, Ted Meyers, Jayde Ferguson

More than three tons of salmon were caught by fishermen in Chukotka
Cold spring and summer affected the results of salmon production in the district. Fishermen in the region caught more than three tons of salmon - this is several times less than in previous years, according to IA "Chukotka".
Khatyrka, Chukotskiy Avtonomnyy Okrug, Russia

One of the rarest fish on the planet is dying in the Keys. Scientists are struggling to find out why
Sawfish, and about 30 other species of fish, are turning up sick and dying in the Lower Keys as questions mount over what's causing it.
Key West, Florida, United States
WLRN

Thousands of tons of dead sardines wash ashore in northern Japan
The sardines and some mackerel washed ashore in Hakodate on Japan’s northernmost main island of Hokkaido on Thursday morning, creating a sliver blanket along a stretch of beach about a kilometer (0.6 mile) long. Takashi Fujioka, a Hakodate Fisheries Research Institute said the fish may have been chased by larger fish, become exhausted due to a lack of oxygen while moving in a densely packed school, and were washed up by the waves.
Hakodate, Hokkaido, Japan
AP News

Sea Lice Outbreak Claims At Least 1 Million Salmon in Tálknafjörður
An unprecedented outbreak of sea lice in Tálknafjörður has led to the loss, or the need to dispose of, at least one million salmon. “Nobody has seen anything like this before. There is a Norwegian veterinarian who has been working in Iceland because of this and he has never seen anything like this in his 30-year career,” Karl Steinar observed.
Talknafjordur, Westfjords, Iceland
Iceland Review

Absence of Tomcods
Erratic temperatures led to the absence of tomcods, severely affecting local fishing.
Kivalina, Alaska, United States
Jacqualine Schaeffer, Janet Mitchell, Chris Dankmeyer, Sarah Yoder

Invasive Elodea in Chena Slough
Invasive elodea decade history in the Chena slough with mitigation and persistent infestation.
North Pole, Alaska, United States

Scientists observe chum salmon spawning in North Slope rivers
Scientists from the University of Alaska Fairbanks have observed an increase in chum salmon spawning in North Slope rivers, potentially indicating a shift in their population and a signal of climate change. Elizabeth Lindley, a Ph.D. student working on the project, says that while evidence of spawning in a new region may be a positive for salmon, the impact on important subsistence resources including Arctic char and Dolly Varden is uncertain.
Colville River, Alaska, United States
Alaska Public Media

Tribe catches coho salmon on free-flowing Elwha River, a first since dam removals
The Lower Elwha Klallam Tribe catches coho salmon on the free-flowing Elwha River for the first time in over a century since the removal of dams, marking a historic moment for the tribe and the river's recovery.
Elwha River, Washington, United States
The Seattle Times

Nearly a Million Dead Fish Wash Up on Louisiana Coast, Commercial Fishing Boats to Blame
Nearly a million dead fish, including redfish and menhaden, washed ashore in southwest Louisiana due to commercial fishing boats dumping an estimated 850,000 fish from their overfilled nets, sparking calls for stricter limits on the state's commercial menhaden fishery.
Abbeville, Louisiana, United States
Outdoor Life

Massive ocean sunfish spotted off Vancouver Island
Jackie Hildering was astonished by a recent photo depicting an enormous Mola mola submitted to the Marine Education Resource Society citizen science project, which is collecting data on two different species of sunfish along the Pacific Coast.
Powell River, British Columbia, Canada
Vancouver Island

Drought in B.C. has salmon running 'a marathon in a sauna,' foundation warns
British Columbia's prolonged drought risks damaging the salmon population for generations and has led to a series of emergency, rapidly deployed projects in an effort to intervene. In the Comox Valley, aerators have been installed in the Tsolum River to maximize salmon survival by increasing dissolved oxygen levels, and work has started at the mouth of the Tranquille River to re-establish water flow between the upper and lower sections so salmon can migrate upstream to their spawning grounds. More than 80 per cent of the province is at Level 4 or 5 drought conditions, the highest possible rankings, after months of little or no rain.
Merritt, British Columbia, Canada
British Columbia

Farmed Salmon Caught in Rivers Across Northwest Iceland
Escapted farmed salmon threatens wild salmon stocks across Northwest Iceland, where it has entered rivers.
Patreksfjörður, Westfjords, Iceland
Iceland Review

Humpack Salmon Spread in Iceland, Threatening Local Fish
Anglers caught dozens of humpback salmon in Eyjafjarðará river yesterday, RÚV reports. Humpack salmon are spreading in Iceland and threatening local fish species in Icelandic rivers.
Hjalteyri, Northeast, Iceland
Iceland Review

Not so solitary predators? Great white shark duo appear to be traveling together
Jekyll and Simon keep showing up in all the same places — which is weird, because they are great white sharks. The apex predators are widely believed to be solitary creatures, not dependent on family networks or group dynamics to navigate the oceans.
Gulf of St. Lawrence
CBC

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