Scientists have identified more than two dozen previouslyunknown fish species in Peru and the Amazon Basin, uncovering a ...

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

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.

A once-in-a-lifetime catch. Minnesota ice anglers reel in a rare golden crappie—one of the most unusual fish you’ll ever see.

A stunning fish recently washed ashore in the Pacific Northwest, and experts say it belongs to a newly discovered species. In a June 6 Facebook post, the Seaside Aquarium in Seaside, Oregon, announced ...

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 ...

An unusual fish was discovered washed up shore — and people want nothing to do with it. The longnosed stargazer was found in Singapore buried face-up in the sand within shallow water, open-mouthed and ...