The newly documented hairy ghost pipefish was named after this fuzzy "Sesame Street" character. See which one, why.

It may sound too bizarre to be true, but the Amazon molly (Poecilia formosa), a fish that inhabits rivers, lakes, and swamps ...

One fish, two fish, red fish — Mr. Snuffleupagus fish? A new species of ghost pipefish resembling the beloved star “Sesame ...

An unexpected new fish species is caught while bass fishing during an unusual and surprising discovery.

Darren Rice. For over two decades, a strange little marine creature puzzled biologist David Harasti. While diving off Papua ...

A strange, tiny fish that resembles the famous Sesame Street character camouflages amid red algae thanks to its flamboyant ...

We get letters from time to time from A-Z Animals readers, and not only do they remind us why we do what we do, but they also ...

A fish biologist and her team spotted a see-through fish in Alaskan waters recently. It’s a rarely-seen blotched snailfish. "Been hoping to see one of these in person for a long time! Blotched ...

Some fish species that had disappeared from the Petitcodiac River are back, thanks, in part, to the reopening of the Petitcodiac River causeway gates three years ago. The causeway linking the City of ...