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.

There are miles of dead fish washing up on the beach. That's not all. Just breathing the air can be harmful.

A red tide bloom was found in multiple areas of coastal Collier County. Individuals with chronic respiratory problems should be cautious and stay away from this location, as red tide can affect breathing. Residents near the beaches are encouraged to close windows and run the air conditioners.

New fish have been spotted in a recently revitalized section of Craigflower Creek in View Royal, B.C., thanks to a development site with an environmental focus.

Goldfish have a special ability to live under extreme conditions, making them prolific invaders of natural habitats. They are tolerant to low oxygen conditions and can survive water temperatures well below freezing, said the Invasive Species Council of B.C. on their website.

After the January storms provided the flushing and scouring our coastal rivers desperately needed, anglers were thinking and hoping the winter steelhead would be there. Up and down the coast, well known steelhead rivers are not seeing the numbers we're accustomed to. This same scenario happened a couple years ago, but the fish finally showed up. And that will more than likely be the case again this year. But with the calendar now saying February, it's getting a little more nerve racking.

A rare sighting is possible indicator of prey abundance.

Approximately 87,000 farmed cod escaped from Gadus Group's aquaculture facility, raising concerns about potential impacts on wild fish populations and prompting investigations into the incident.

Börkur NK docked in Seyðisfjörður this weekend with a hold full of capelin. The fish took 18 hours to land and came in at 3,400 tonnes—which is likely the most capelin ever landed from a single tour in Iceland, according to a statement from Síldarvinnslan.

Researchers have confirmed that the fish species sprat is spawning in Icelandic waters, according to a new report from Iceland’s Marine and Freshwater Research Institute. Sprat has been found in significant numbers off the south and west coast and spawned near Ísafjarðardjúp fjord in the Westfjords last year.

A rare phenomenon that occurred in Texarkana, a city on the northeast border of Texas and Arkansas, has its residents asking, “What the — fish?” Multiple...

First Nations on B.C.’s central coast are sounding the alarm after once-abundant salmon runs see devastatingly low returns in 2021

"The ones caught in October were of larger size (usually seen in Kotzebue area) and the ones in November a smaller, more familiar cods that we use to get."

Fish caught while ice fishing has black patches on skin. Appears to be the same black fungal syndrome previously reported in Kipnuk.

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.

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.

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.

Pet fish dumped in local waterways have become the scourge of Hamilton’s marshes and harbour

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.

The Grand Coulee and Chief Joseph dams don’t include fish ladders, and so in August the Colville Tribes released 100 salmon 35 miles upstream of the two dams in an attempt to see if they would survive and spawn.