These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

A cavity in the middle of the rockhead poacher’s skull might be used like a maraca to produce sound, new research suggests.

On Sept. 25, Tim Silva and Danielle Orcutt had a rare, tropical visitor to the family oyster grant in Orleans' Little Pleasant Bay. It was a tiny bright blue angelfish, hundreds of miles from its home ...

During a tour of the Marine Biological Laboratory in Woods Hole, Massachusetts, Corey Allard noticed something strange: fish using six leg-like appendages to "walk" around the bottom of their tank.

Almost all animals have symmetrical bodies. Bilateral symmetry is almost universal in all animals and is only very rarely broken—with exceptions like the five-armed starfish or crab species that have ...

The coelacanth — a giant weird fish still around from dinosaur times — can live for 100 years, a new study found. These slow-moving, people-sized fish of the deep, nicknamed a “living fossil,” are the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Scientists sampled fish living in the Pacific's Mariana Trench and trenches in the Indian Ocean. ...

An "odd-looking" deep-sea fish recently washed ashore on an Oregon beach to the surprise of a local aquarium. The Seaside Aquarium in Seaside, Oregon, published pictures of the dead fish in an April ...