Parasite identified as sea lice.

For centuries, marine species have moved around either by hitching ride on the hulls of ships or as stowaways in ballast water. In many instances, species have been deliberately introduced for aquaculture or other commercial purposes.

Some are concerned about the farmed Atlantic salmon coming to Alaska and bringing unwelcome competition for native species.

Officials blame the failure of a pen near Washington's Cypress Island on high tides caused by the eclipse, but that is being questioned. Fishing boats are scrambling to catch as many as possible.

Another troubling sign of the poor state of this year's Pacific Ocean salmon runs was discovered on one the Klamath River's tributaries after an annual fish survey counted the second lowest number of spring-run Chinook salmon on record.

Identified by ADFG as skin irritation caused by moose flies, (Haematobosca alcis) bites.

A relatively rare tapeworm has popped up in several patients in Alberta, Canada in the past few years, which may not sound like much; however, the only other human case in Canada was in 1928 in Manitoba. The parasite is called Echinococcus multilocularis and it appearance in Alberta has caught the attention of some infectious …

Bugs of various shapes and sizes are part of life in Alaska, and it can be easy for them to escape notice.

University of Alberta scientists are alerting the public to a potentially lethal tapeworm, Echinococcus multilocularis which infects humans through the feces of coyotes and dogs.

Alaskans from St. Lawrence Island were hospitalized with the food-borne parasite trichinella, which used to more typically infect pork. The CDC and state public health officials issued warnings.

They're a parasite many people don't think live in Alaska, but Fish and Game says ticks are here and their numbers are on the rise.

Black bears typically stay near the treeline — but what was this guy doing so far up North, away from it?

Tick season is here and it's no secret the parasites can transmit dangerous diseases.But there's a relatively new and rare tick-borne disorder that causes an allergic reaction to red meat called 'Alpha Gal.'Jasmine Bailey reports how the tick that carries

Alaska Department of Fish and Game seeks the public's help in determining the date that an exotic deer died near North Pole.

A parasitic copepod- similar to or possibly Salmincola.

A parasite-riddled seal afraid of the water is the first Alaska marine mammal rescued in 2017. The seal will not be returned to the wild if it continues to survive rehabilitation at the Alaska SeaLife Center in Seward.

The prevalence of "weak meats" syndrome in 2014, 2015 meant that somewhere on the order of half of all scallops shucked couldn’t be marketed. That was much higher than the fleet had ever seen before.

The parasite that causes rat lungworm disease is now endemic in the southeastern United States, and it’s expected to spread northward.

Lesions on this Dolly Varden or Arctic char are most likely furuncles caused by a common bacterial pathogen called Aeromonas salmonicida.

Scientists recently announced they had found an Asian tapeworm species in pink salmon caught off the coast of the Kenai Peninsula. Listen now