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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

Smelt (Osmerus mordax) Mortality
Thousands of smelts were found dead during low tide in the Togiak slough. Is there an environmental cause?
Togiak, Alaska, United States

Dirty water may be reason for very strange shortage of fish harvest, says N.W.T. angler
Anglers in Aklavik, N.W.T., are trying to figure out why there was a shortage of fish in local hotspots this year.
Aklavik, Northwest Territories, Canada
CBC

Bacterial Infection in 16 Broad Whitefish (Coregonus nasus)
The skin lesion in the photo is likely caused by a stress-related bacterial infection – possibly trauma initiated. Probably common opportunistic bacteria in the environment such as motile Pseudomonas/Aeromonas Gram-negative organisms.
Nuiqsut, Alaska, United States

Herring (Clupea pallasii) in Harbor Seal (Phoca vitulina) stomach
Odd time of year for seals to be eating herring.
Haines, Alaska, United States

Herring Infection Worsens
A considerable number of the herring catch that’s been landed in recent days has been found to be infected. As such, almost all of it will be incinerated.
Note, according to Fisheries Information and Resource System (FIRMS) the infection rate of herring with Ichthyophonus in Iceland was estimated to be 32% in the in the winter 2008/2009.
Vopnafjörður, Austurland, Iceland
Iceland Review

Large Sea Purse (Big Skate, Raja binoculata?)
Large egg case found on beach, perhaps belonging to a Big Skate (*Raja binoculata*)

Odd Starfish Appearance (Pisaster ochraceus)
Sea Star (*Pisaster ochraceus*) appears sick but is actually healthy.
Larsen Bay, Alaska, United States

'Son of the blob': Unseasonably warm weather creating new anomaly off B.C. coast
A meteorologist says unseasonably warm weather in B.C. is once again causing a large area of the Pacific Ocean to heat up considerably, emulating a phenomenon from past years known as the “blob.”
Gulf of Alaska
CBC

Drought in a Rain Forest
The Tongass Forest in southeast Alaska, a temperate rain forest, is experiencing record-low precipitation and severe drought conditions, impacting community hydroelectricity production.
Metlakatla, Alaska, United States

Warmer Arctic waters attract surprising visitors: clams, fish and whales
Ice in the north Bering Sea is diminishing, researchers aboard a Coast Guard ship report.
Washington Post

Salmon fishing closes on large stretch of Columbia
The counts of fall Chinook at Bonneville Dam are 29 percent below preseason forecasts, and ongoing fisheries are approaching the allowable catch limits under the Endangered Species Act (ESA).
Columbia River, Washington, United States
The Columbian

33.48 tons of dead fish collected in Pinellas County as red tide bloom lingers
Red tide is officially impacting Pinellas County. Crews have picked up a total of 33.48 tons of dead fish and hauled them off to the county dump.
Madeira Beach, Florida, United States
WFTS

Russian salmon fishermen dumping excess catch
Salmon harvesters in the Far East parts of Russia have landed so much fish that they have begun to dump some of their excess catch wherever they can, forcing the region to confront an epidemic of rancid, rotting salmon.
Kamchatka, Russia
Moscow Times

Gulf of Maine Water Temperatures Soar Near Record Highs After Ocean 'Heat Wave'
NOAA and NASA satellites measured an average sea-surface temperature of 68.93 degrees Fahrenheit in the Gulf of Maine on Aug. 8, only 0.05 degrees below the all-time record high of 68.98 set in 2012. It is the epicenter of the U.S. lobster fishing industry, an important feeding ground for rare North Atlantic right whales .
Gulf of Maine
The Weather Channel

Farmed Salmon Caught in Icelandic Rivers
Three farmed salmon have been caught in the Westfjords this season. Farmed salmon have a tendency to swim up rivers later in the season than wild salmon, meaning the true number of escapees may not be apparent until the end of the fishing season.
Isafjordur, Westfjords, Iceland
Iceland Review

Tons Of Dead Fish Washing Ashore On Florida Beaches
Southwest Florida is reeling from a toxic algae bloom called red tide. Hundreds of tons of dead fish are washing up on beaches.
Bradenton, Florida, United States
NPR.org

More than 1,000 dead fish at Malibu Lagoon may be tied to record-warm ocean temperatures
California State Parks scientists are running tests this week to determine what caused about 1,500 fish to die in Malibu Lagoon last week, but officials suspect higher-than-normal water temperatures may have played a role.
Malibu, California
latimes.com

Drought has volunteers walking Cowichan Lake area’s dry rivers and creek-beds looking for stranded fish fry
Plans are underway for raising the weir: a reflection of widespread concern, says Ken Traynor
Cowichan Lake Area, British Columbia, Canada
Lake Cowichan Gazette

Ship Creek Almost Dry
We have visited this creek every summer for 10 years, since 2008, including every August, and we have never seen the water this low.
Port Alberni, British Columbia, Canada
Phoebe Okey-Dobie, Theo Okolowicz, Tom Okey

Fraser River is now so warm it may kill migrating sockeye salmon
Sockeye salmon are migrating up B.C.'s Fraser River right now, but the water is so warm the fish may die before they have the chance to spawn.
Fraser River, British Columbia, Canada
CBC

Hatzic Lake closed following reports of dead fish, discoloured water
Swimmers have reported feeling nausea, itchy skin and irritated eyes after vising the popular lake.
Hatzic Lake, British Columbia, Canada
CTV News Vancouver

Florida Algae Blooms Send People to Hospital, Kill Marine Wildlife
Nearly 4,000 dead fish were counted on Sanibel area beaches and parks.
Saint Lucie River, Florida, United States
The Weather Channel

Salmon numbers continue to drop in Newfoundland rivers
DFO science recommends closing salmon rivers to retention angling for remainder of season.
Newfoundland, Canada
The Telegram

Slow Red Salmon (Oncorhynchus nerka) Run
Slow sockeye salmon (*Oncorhynchus nerka*) runs in the Aleutians potentially linked to warming ocean temperatures.
Unalaska, Alaska, United States

In the Columbia–Snake River Basin, Salmon Are Losing Their Way
As the fish disappear, native peoples are looking for solutions lest they lose a way of life too.
Columbia and Snake Rivers, United States
NRDC

Walleye Pollock (Theragra chalcogramma) in salmon nets
Billie Shraffenberger is a longtime resident of Port Heiden. This is the first time she has caught a fish like the one she found in her subsistence salmon net this summer.
Port Heiden, Alaska, United States

Almost every part of Canada’s largest national park is deteriorating
The report on Wood Buffalo National Park says industry, dams, climate change and natural cycles are sucking the lifeblood from the vast delta of northeastern Alberta's Peace and Athabasca rivers
Wood Buffalo National Park
National Post

‘No fish and no hope’: Poor sockeye salmon run takes a toll on Chignik
As of Friday afternoon, the sockeye escapement in the Chignik salmon fishery was less than half of what it usually is this time of the year.
Chignik, Alaska, United States
Anchorage Daily News

After a long wait, Ugashik fishermen’s patience pays off
After a very slow beginning to their season, fishermen in Ugashik Bay saw millions of sockeye salmon return in a little over a week in mid-July.
Pilot Point, Alaska, United States
Alaska Public Media

Drying Fish And Having Trouble With Flies? A Local Biologist Wants To Help.
As fishing restrictions push salmon harvests on the Kuskokwim River later into the wet part of summer, families are seeking new ways to dry their fish and keep bugs away.
Bethel, Alaska, United States
KYUK

What’s causing all these dead fish in the Keys?
The Florida Keys is experiencing higher than usual fish kills this summer, but wildlife officials don't think it's part of a red tide or other type of algae bloom affecting other parts of South Florida.
Florida Keys, United States
miamiherald

X-Cell Tumor Around the Gills of a Black Rockfish (Sebastes melonops)
Black Rockfish (*Sebastes melonops*) caught with X-Cell tumor.
Unalaska, Alaska, United States

For Alaska sockeye salmon, record highs in Bristol Bay, record lows nearly everywhere else
Fishery scientists suspect the downturns are due to the warmest sea-surface temperatures ever recorded running from 2014-2016.
Kodiak, Alaska, United States
Anchorage Daily News

Are great white sharks sinking their teeth into Bering Sea seals?
There’s only one historical record of a great white shark in the Bering Sea: fishermen caught one nearly 40 years ago. But scientists have reason to believe that in recent years there might be more of the predators around.
Shishmaref, Alaska, United States
Alaska Public Media

Black meat from a Sockeye Salmon (Oncorhynchus nerka)
Unusual dark coloration in Sockeye salmon (*Oncorhynchus nerka*) meat
Falls Creek, Alaska, United States

Mayflies, algae both part of the game for Lake Erie walleye anglers
Anglers has expressed concerns that this early-arriving green slime signals the end of what was viewed as the summer of plenty for walleye fishermen.
Toledo, Ohio, United States
The Blade

Chignik fishermen stuck ashore as sockeye run fails
There is really only one thing to talk about in Chignik Bay these days: Where are the sockeye?
Chignik, Alaska, United States
Alaska Public Media / KMXT - Kodiak

More than 50 dead walleye found onshore at N.W.T. park | CBC News
A resident said his kids don't want to go swimming at that location because there are so many dead fish in the water.
Behchokò, Northwest Territories, Canada

Sargassum (Phaeophyceae) and dead fish at Punta Cana
Punta Cana, La Altagracia, Dominican Republic

Bald Eagle (Haliaeetus leucocephalus) Targeting Forage Fish in Open Water
Island View Beach, British Columbia, Canada

Small red salmon (Oncorhynchus nerka) return and fish size
Sockeye are smaller in size and fewer in number this year than in recent years.
Ouzinkie, Alaska, United States

Mysterious marine mammal injuries hint that some sharks are shifting their range northward into the Arctic - Arctic Today
Sleeper sharks are already known to range as far north as the Chukchi Sea, but reports of possible shark attacks on seal and sea lions have increased — and now come from further into the Arctic.
Bering and Chukchi Seas
Arctic Today

All king salmon fishing on the Kenai River closed starting Wednesday
Weak returns forced the latest restriction. Good news: Sockeye fishing at the Russian River is forecast to be good.
Kenai, Alaska, United States
Anchorage Daily News

Mass death of herring on Sakhalin island: what is the cause?
Thousands of herring washed up around Piltun Bay in northeastern Sakhalin..
Okha, Sakhalin, Russia
Siberia Times

The 'blob' impacts salmon numbers, stopping fishing on Copper River
The Alaska Department of Fish and Game issued an emergency order Wednesday closing the personal-use and sport fishing for Copper River sockeye around Chitina until further notice. It goes into effect on Monday, June 18th.
Chitina, Alaska, United States
KTUU

Why a rare appearance of capelin in P.E.I. is good news
Capelin have made an appearance on a beach in western P.E.I. — a rare occurrence and also a sign that capelin populations are strong.
White's Cove, Prince Edward Island, Canada

Dismal Copper River salmon run prompts ‘unprecedented’ shutdown of dipnetting at Chitina
Biologists blame the Blob of warm water in the Gulf of Alaska for poor sockeye returns that also led to the second lowest commercial harvest in 50 years.
Chitina, Alaska, United States

'Set net' of Great Blue Heron (Ardea herodias)
Island View Beach, Saanich, British Columbia, Canada

Morris Cove Creek and Ocean Disconnection
An obstruction has disconnected Morris Cove from ocean waters, preventing salmon from moving upstream.
Dutch Harbor, Alaska, United States

Weak king salmon return prompts Kenai Peninsula fishing closures
A poor return of king salmon on the Anchor River will shut down all sport fishing on the Anchor and Ninilchik rivers and Deep Creek drainages beginning Saturday morning, the Alaska Department of Fish & Game announced Thursday.
Ninilchik, Alaska, United States

Where salmon recreational fishing will be closed to boost orcas
Federal officials have shut down salmon and recreational fishing for the summer in key feeding grounds for killer whales. The closures, which took effect Friday, apply to parts of the southern . . .
Gulf Islands, British Columbia, Canada
Times Colonist

Blackline Prickleback (Acantholumpenus mackayi) Caught While Fishing For Herring
Blackline Prickleback (*Acantholumpenus mackayi*) caught along the Bering Sea Coast
Chevak, Alaska, United States

Phaeohyphomycoses Fungal Infection on Smelt (Hypomesus olidus)
Smelt caught in Bethel with fungal infection previously found in the Norton Sound region.
Bethel, Alaska, United States

Washed-up Carcass Tangled in Netting
The remains of a possible seal carcass tangled in netting may have come into contact postmortem, "ghost fishing" as a potential cause.
Unalaska, Alaska, United States

Eulachon (Thaleichthys pacificus) in the Homathko River
The trout we were gorging on them and the mergansers looked like they had eaten their fill.
Homathko River

Spring breakup causes fish to fly on Hay River
As the ice breaks up on waterways across the North, the spring river breakup has come to a close in Hay River but not before it created a feast of fish for local birds.
Hay River, Northwest Territories, Canada

Unidentified Skate Found on Beach
It is unusual for skates to wash up on the beach.
Togiak, Alaska, United States

Farmed Atlantic Salmon Virus Linked to Disease in Chinook
Research finds farmed salmon virus may cause jaundice/anemia.
Okisollo Channel, British Columbia, Canada
The Tyee

"Total devastation": Dozens of fish killed in North, West Vancouver streams
West Vancouver, British Columbia, Canada
CBC News

Jackfish spotted swimming in farmer's field
Lyndon Haskey said the water came alive with jackfish when he was checking a flooded pasture.
Wadena, Saskatchewan, Canada
Global News

Rare Glass Sponge Reef Smothered By Fish Farm Waste
Underwater camera captured ‘a wasteland, covered in brown sediment.’
Cecil Island Fish Farm, British Columbia, Canada
The Tyee

Bull sharks colonize N.C.'s Pamlico Sound, prompting ominous predictions for humans
Bull sharks, an apex predator, are moving into the Pamlico Sound as a nursing habitat, and experts are crediting ocean warming as the cause.
Palmico Sound, North Carolina, United States
Charlotte Observer

Walrus (Odobenus rosmarus) Haul-out On Port Heiden Beach
Walrus in Bristol Bay and Port Heiden are not uncommon in summer. The fact they are present in April is unusual and residents believe factors such as the lack of sea ice, lack of food and warming ocean temperatures may be the reason.
Port Heiden, Alaska, United States
Jaclyn Christensen, Erica Lujan, Moses Tcheripanoff

This pink salmon swam farther up the Mackenzie River than ever recorded
Two pink salmon have been found near Fort Good Hope, N.W.T., 260 kilometres farther up the Mackenzie River than ever reported.
Tsiigehtchic, Northwest Territories, Canada

Abnormally large basking shark groups spotted off Canada’s east coast
Coastal northwest Atlantic Ocean
Global News

As Sitkans wait for roe, news of sickness from herring eggs in Canada
Typically, cholera is associated with tropical destinations. But recently, the bacteria that can cause the disease was found in subsistence herring eggs in British Columbia. As Southeast Alaska tribes get ready to gather herring eggs, it’s left some people wondering about the future.
Sitka, Alaska, United States
Alaska Public Media
Elizabeth Jenkins, Alaska's Energy Desk - Juneau

Sargassum is blamed for dead fish on Ambergris Caye
The thick accumulation of these sea plants on the coastline is apparently causing detrimental effects on certain fish species as residents have reported dead fish along the shores.
San Pedro Town, Belize, Belize
The San Pedro Sun

Vancouver Island cholera outbreak 'a unique situation,' health officials say
The cases in B.C. have been traced back to consumption of herring spawn, a treasured traditional food source for First Nations throughout Vancouver Island.
Nanaimo, British Columbia, Canada
Vancouver Sun

Cholera found in herring eggs from Oceanside area
NANAIMO — Island Health and the BC Centre for Disease Control are warning anyone who's eaten herring eggs recently to stay hydrated and safely dispose of any remaining eggs.
Nanaimo, British Columbia, Canada
NanaimonewsNOW

Alaska restricts king salmon fishing in Susitna, Little Su and upper Inlet
Fishing businesses in Mat-Su warned that the rules could hurt the state's tourism economy.
Knik-Fairview, Alaska, United States

Governor calls for federal disaster declaration for Pacific cod fishery
A disaster declaration could make the fishery eligible for federal relief funds, although who specifically would receive money would be figured out later.
Gulf of Alaska, Northeast Pacific Ocean
KTOO

70 per cent decline in capelin not due to fishing
Scientists with the Department of Fisheries and Oceans say late spawning for capelin had a significant impact on numbers.
Newfoundland and Labrador, Canada
CBC News

No more ‘Kings of the Columbia’: Chinook salmon much smaller these days
Like its old-growth trees, the Northwest’s big, old chinook salmon are largely gone, a new study finds, with implications for Puget Sound’s critically endangered southern resident killer whales.
Columbia River, United States
The Seattle Times

Fifty-Three Thousand Salmon Die at West Fjords Fish Farm
Fifty-three thousand salmon died while being transferred out of a damaged marine pen at a fish farming facility in the West Fjords.
Westfjords, Iceland
Iceland Review

A Lesser Queenfish (Scomberoides lysan) near Sydney
Potential Range Extension. Identification verified by Tom Davis, NSW Department of Primary Industries. Depth: 2 m.
Sydney, New South Wales, Australia
Redmap

Rare, ‘weird-looking’ 70-pound frozen fish washes ashore in Haines
As the tide ebbed down the beach outside his house Friday, Harry Rietze discovered a mysterious sea creature that one scientific paper described as a puzzling fish with soft bones.
Haines, Alaska, United States

Northern Lampfish (Stenobrachius leucopsarus) Found on the Beach at Letnikov Cove
Northern Lampfish washed up along the beach at Letnikov Cove
Haines, Alaska, United States

Alaska Board of Fisheries navigates ‘uncharted territory’ for Southeast’s king salmon
The Alaska Board of Fisheries faces some tough decisions this week. One of those is how to conserve dwindling king salmon stocks in a way that won’t financially cripple Southeast salmon fishermen.
Sitka, Alaska, United States

State report details potential health impacts of climate change
How will climate change affect health in Alaska? Dangerous travel conditions could cause more accidents, warmer temperatures could spread new diseases and the topsy-turvy weather could worsen mental health. Those are some conclusions from a new state report released Monday. Listen now
Newtok, Alaska, United States
Rachel Waldholz, Alaska's Energy Desk - Anchorage

Oceans suffocating as huge dead zones quadruple since 1950
Areas starved of oxygen in open ocean and by coasts have soared in recent decades, risking dire consequences for marine life and humanity
Temuco, La Araucanía, Chile
The Guardian

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