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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

First Ever Cases of Infectious Salmon Anaemia in Iceland
The Icelandic Food and Veterinary Authority (MAST) has found evidence of infectious salmon anaemia (ISA) in an open-net salmon farm in Reyðarfjörður fjord, East Iceland. ISA is a highly infectious viral disease that has no treatment and causes high mortality in farmed Atlantic salmon.
Reydarfjordur, East, Iceland
Iceland Review

Where are tomcods / Naugat Ceturr'nat (Eleginus gracilis)? Chefornak
Not a single catch was reported in the village of Chefornak. Meanwhile in Kivalina, dozens and dozens of tomcods are pictured and posted on "The Alaska Life" Facebook page.
Chefornak, Alaska, United States

Harmful algae colours the Oslo fjord green
Scientists now say that the harmful alga will survive the winter and that it will probably turn green in the Oslo fjord next year as well.
Oslofjord, Oslo, Norway
NRK
Lea Girolami Bråthen, Dag Aasdalen, Maren Nan Myrseth

Mysterious fish ended up in Vetle's boat - expert says it's extremely rare
Vetle Berntsen and the others on the trawler understood little when the black fish ended up on board. No wonder – the fish actually live in deep water around the equator. It turned out to be *Diretmichthys parini*, also known as ducat fish, one of three documented in Norway.
Barents Sea, norway
NRK

Oil spill reaches Laguna Beach, threatens Crystal Cove in Newport Beach as cleanup efforts intensify
The oil likely will continue to encroach on Orange County beaches for the next few days, officials said.
Los Angeles Times

Rare pink salmon spotted southeast of Iqaluit
Karen Dunmall, a biologist with Fisheries and Oceans Canada, said pink salmon normally prefer warmer waters than the Arctic has been able to provide. But with the Arctic warming at up to three times the rate of the rest of the world, its waters are becoming more approachable for newcomers like this species.
Nunatsiaq News

Mass stranding of pink salmon
It happened Thursday night and into Friday morning, when the Crown corporation reduced the spill release from the Daisy Lake Reservoir into the river, stranding fish who had moved closer to the banks.
Cheakamus River
Global News

Chinook salmon returning in surprising numbers to Cowichan River
In 2009, the numbers dropped down to just 500 pairs of Chinook returning. Yet, as of Tuesday, more than 8,000 Chinook had returned to their Cowichan River spawning grounds. The improvement is the result of years of conservation efforts by Cowichan Tribes, who have worked to restore the river to its course before logging operations changed the river.
Cowichan River
CHEK

Valuable crab populations are in a ‘very scary’ decline in warming Bering Sea
King and snow crab populations in the Bering Sea have plummeted ahead of the harvest season, some by 99% compared to previous years.
Bering Sea
The Seattle Times

Norton Sound silver run among lowest harvests in decades
The commercial Silver harvest in the Norton Sound yielded the lowest numbers since 2002.This trend follows suit from last year as well, which yielded far less than projected. The run was “very poor,” Menard said. The preliminary catch was 7,100 Silvers. That’s less than half caught in the commercial fishery last year.
Nome, Alaska, United States
KNOM Radio Mission

Large jellyfish threaten fisheries in the Sea of Japan
Swarms of giant jellyfish are floating along the coastline of the Sea of Japan, and the damage they may cause to fisheries is feared to be the worst in more than a decade.
Wakasa Bay, Japan
The Japan News

Decrease in Prawn Abundance of Desolation Sound
It is apparent that this area of coastline has experienced a sharp decline in its prawn populations. This may be due to increased fishing pressure from commercial prawn fishermen.
Powell River, British Columbia, Canada
David Oswald, Cody Thomas, Conlan Magel, Tom Okey

Sunken scallop boat off Kodiak remains pollution hazard decades later
The sunken scallop boat, Saint Patrick, remains a pollution hazard off the coast of Kodiak, Alaska, decades after sinking in 1989, bringing up memories of a devastating fishing disaster in 1981 that claimed nine lives.
Womens Bay, Alaska, United States
Alaska Public Media

Sea cucumber die-off near Vancouver Island
When Kathleen Reed descended for her usual weekly dive off the coast of Nanaimo, B.C., last Saturday she was shocked by how many dead sea cucumbers she saw. Experts and harvesters fear that sea cucumbers are being hit by an illness similar to sea star wasting disease.
Dolphin Beach, British Columbia, Canada
CBC

Seeing some Worms in Kenai Salmon
About 10% of our catch during dip net fishing at mouth of Kenai River was harboring these worms.
Kenai River, Alaska, United States
Jayde Ferguson, Mike Brubaker, Ian Williams

Decline in and delayed salmon on the Skeena River
In recent years, we have observed the salmon arriving at our territory along the Skeena River later than normal and in fewer numbers. The total number of wild sockeye (Oncorhynchus nerka) returning to the Skeena River have decreased by 69% in comparison to historical stocks.
Gwax Ts'eliksit, British Columbia, Canada
Kristen Davis, Tom Okey, David Oswald, Cody Thomas

Bristol Bay’s Nushagak District is seeing a record-setting sockeye salmon run
Tim Sands, an Alaska Department of Fish and Game area management biologist, said he is hopeful the strong run throughout Bristol Bay will continue next year.
Naknek, Alaska, United States
Anchorage Daily News

Double-crested Cormorant (Phalacrocorax auritus) Extended Range into the St. Lawrence Region
Double-crested cormorants have been observed in the St Lawrence River region, with record-breaking numbers, in recent years.
Gananoque, Ontario, Canada

Invasive seaweed detected on Aotea/Great Barrier Island
Caulerpa brachypus, which can spread rapidly and create dense mats, was found in July in Blind Bay and Tryphena Harbour. This was the first time the pest species had been detected in New Zealand.
Great Barrier Island
NZ Herald

Low Abundance of Fish Harms Norton Sound’s Commercial Fishing Season
The prospects are dim for this summer’s Norton Sound commercial fishing and crabbing seasons.
Nome, Alaska, United States
KNOM Radio Mission

Halibut fisherman weathers freak storm on trip back from Togiak
Westfall thanked his training with the Alaska Marine Safety Education Association to help him maximize his odds for survival.
KTOO

Kuskokwim River Chum Run Extremely Low So Far
The Kuskokwim River king salmon run does not look particularly strong this year, but chum numbers look even worse. Historically, around 60% of the salmon in the river at this point in the season would be chum or sockeye, but right now Bethel Test Fishery numbers show that just over 20% of the salmon are.
Bethel, Alaska, United States
KYUK

Low king counts to close Anchor River, Deep Creek to fishing
“The midpoint of the Anchor River king salmon run was extremely late. These fish are really having some odd, unprecedented run timing and behavior."
Kasilof, Alaska, United States
Alaska Public Media

Turkey struck by ‘sea snot’ because of global heating
Increasing blanket of mucus-like substance in water threatens coral and fishing industry
Sea of Marmara
the Guardian

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

Washed up - euphausiid shrimp on area beach
Thousands of euphausiid shrimp, the species identified here in Resurrection Bay as Thysanoessa spinifera. were washed into the intertidal zone and on the beach near Whittier
Whittier, Alaska, United States
Gary Freitag, Melissa Good, Amy Holman, Sunny Rice, Tuula Hollmen, Julie Matweyou, Kris Holderied, Richard Hocking

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

Four gray whales have been found dead in California's Bay Area within eight days
The carcasses of four gray whales have been found around the San Francisco Bay Area in eight days -- an alarming string of deaths that constitutes an unusual mortality event, defined by the National Oceanic and Atmospheric Administration (NOAA) as a significant die-off of a marine species.
San Francisco Bay Area, California, United States
CNN News

On par with the BP Oil spill: Tons of sediment invade Kalamazoo River after dam drawdown
Sediment that could fill the volume of 112 Olympic-sized pools has been flooding into the Kalamazoo River for over a year. IT's decimating habitats and causing a serious potential for devastating flooding.
Kalamazoo, Michigan, United States
WXMI

Irregular Ponderosa Pine Growth
Ponderosa pines in Eastern Washington are displaying signs of irregular growth.
Spokane, Washington, 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

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

Divers Assess Risk of Oil Leak From Sunken Ship
A large feed boat belonging to fish farming company Laxar sunk in Reyðarfjörður, East Iceland last weekend. Vísir reports that divers were sent out to the ship yesterday to assess the risk of oil leakage from the vessel, which contains around 10,000 litres of diesel oil in addition to 300 tons of feed.
Reyðarfjörður, East, Iceland
Iceland Review

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