Red coral observed near Port Heiden along the Bering Sea coast.

On a more helpful note, fish farts also are giving researchers and managers clues about fish distributions.

There was no evidence of physical harm to the eight-legged creatures, but there was still plenty of concern as to why they were all abandoning their regular ocean home.

An incredibly rare octopus invasion may have been caused by recent storms. Storm Ophelia, quickly followed by Storm Brian caused huge waves and storm surges as gusts of up to 80 mph hit the Welsh coast.

What has eight hairy legs, one eye, no mouth and haunts the frigid waters below the frozen ocean? A speck of a creature you'd never know exists in Canada's Arctic, were it not for one researcher's accidental discovery off the shores of Cambridge Bay, Nunavut.

An invasion of potentially fatal jellyfish-like creatures on Britain's shores is the biggest ever recorded in the UK.  The P...

Dillingham gardeners say that an uptick in slimy pests in recent years is making growing greens more difficult.

The Common Rock Crab has begun to grow rapidly in number around Icelandic shores. It was first seen in Hvalfjörður, West Iceland, in the year 2006. This summer, it has reached Eyjafjörður in North Iceland.

Record numbers of the potentially-fatal Portuguese man o' war have washed up on the Cornish coast, according to conservationists.

A new study of the marine invertebrates living in the seas around Antarctica reveals there will be more 'losers' than 'winners' over the next century as the Antarctic seafloor warms. The results are published in the journal Nature Climate Change this week.

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.

Kachemak Bay has witnessed massive die-offs of sea stars, murres and razor clams. Whats going on?

Warning: (2016-11-07) Recreational anglers should avoid consuming the viscera (internal organs, also known as “butter” or “guts”) of dungeness crab

“They’ve been in Cordova for over 30 years. They’re just starting to be reported and sighted in other places. We have confirmed sightings in Whittier, in Girdwood, in Chenega Bay, in Eshamy Bay and one of the hatcheries out in the sound has reported them.”

Special report: A huge disruption to California's coastal ecosystem is under way after several years of unusually warm ocean conditions and drought.