“The exact reasons why the return fell at the lower end of the forecast range are unknown at this time, but poorer than average marine survival is a leading candidate.”

Unknown fish caught this summer in Togiak Bay.

Fish

Chum Salmon (Oncorhynchus keta) Filled with Pus

Early breakup brings early arrivals.

Over the past few months, a massive toxic bloom of the marine diatom Pseudo-nitzschia, stretching from central California to the Alaska Peninsula, has resulted in significant impacts to coastal resources and marine life. NOAA has been working closely with federal, state, tribal, academic, and other partners to respond to this unprecedented harmful algal bloom (HAB).

Tapioca like growth identified as larval trematode parasites (digenean metacercariae).

Science has confirmed what fishermen in Clyde River, Nunavut, have been saying for decades: Atlantic salmon do make their way to the hamlet on Baffin Island north of the Arctic Circle.

Estos peces son venenosos y difíciles de ser observados por confundirse muy bien con el ambiente.

This season's pink salmon were slightly bigger, but southern Panhandle runs fizzled.

Smelt caught on the Kugkaktlik River were found to have dark spots on the skin. Photo examination suggests that the cause is the same black fungus found in saffron cod in Norton Sound. Continued surveillance for this condition in fish is requested by LEO Network members.

Arctic Char (Salvelinus alpinus) with Saprolegnia

Pink salmon die-off, and low water levels at Antone Larsen Creek

Scientists and fishermen have reported more unusual species in Alaska waters, including the subtropical mola mola, or ocean sunfish. It's likely because of warming sea surface temperatures.