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

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 ...

All-female animal groups including the Amazon molly fish, Komodo dragon and hammerhead shark.

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 ...

Fish who display dominant traits are more at risk of consuming microplastic pollution than others in their social group, ...