Many of the dead seals that washed ashore in northern New England in the past few weeks tested positive for either avian influenza or phocine distemper virus, but it is still too soon to say if those viruses are the primary causes of the unusual die-off.

Nine whales have been stranded so far this year in East Iceland. Bottlenose whales and Curvier’s beaked whales are members of the family Ziphiidae and it’s often been said that they are more sensitive to noise pollution in the ocean.

A 10-year study on the Pajarito Plateau shows a 73 percent decrease in abundance and a 45 percent decrease in variety of species.

Marine mammal experts are testing tissue samples for a potential common cause of the surge in carcasses found on the state's beaches this year.

Carcasses examined so far have shown no indication of disease, and tests are pending for harmful algal toxins. Seabirds have been found emaciated and starved, and changed ocean conditions may have affected prey.

Sargassum, a type of seaweed, is creating problems as it washes up across the Caribbean.

The smelly carcass, identified as that of an adult male minke whale, is the second large marine animal to turn up on shore in southern Maine in the past week.

Residents of Chevak and Hooper Bay found two species of sea bird either dead or approachable near the mouth of the Kiuqliiviq and Aprun rivers near fish camps. Residents of Hooper Bay also found a dead sea mammal on the beach.

The iconic pine trees blanketing Jasper National Park may never be the same as a mountain pine beetle epidemic has infected nearly half of the park's pine forest.

Three dead gray whales washed up on two different Kodiak Island beaches recently. The strandings happened within the span of a week.

Weak returns forced the latest restriction. Good news: Sockeye fishing at the Russian River is forecast to be good.

Underwater camera captured ‘a wasteland, covered in brown sediment.’

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.

Fishing businesses in Mat-Su warned that the rules could hurt the state's tourism economy.

Morris Animal Foundation-funded researchers uncovered several key factors contributing to a die-off of South American fur seal pups, including mites, pneumonia and sea surface temperature. The findings, published in the Journal of Wildlife Diseases, help scientists better understand the link between environmental factors and health.

A disaster declaration could make the fishery eligible for federal relief funds, although who specifically would receive money would be figured out later. 

Scientists with the Department of Fisheries and Oceans say late spawning for capelin had a significant impact on numbers.

Smart started finding dead fish in his trap near Dull Lake about two or three weeks ago. Now there are hundreds and hundreds of them.Some local officials suspect water pollution killed the fish, but state officials offered an alternative explanation. According to the Fish and Game representative a local fisherman forgot to check a blackfish trap and may have dumped the dead fish in Dull Lake.