Something fishy is happening in the deep blue sea. In a recent study, scientists documented how a particular fish species ...

What adds credibility to this theory is the fact that lungfish, the other surviving species group of lobe-finned fish, possess both lungs and gills, allowing them to breathe underneath and above ...

Stupid question, but […]” is a weekly column answering the not-so-stupid questions that, at this point, we’re all too afraid ...

"It moved back up the digestive tract towards the gill of the fish." Antonio Duarte/Getty Speaking with CNN, Hasegawa said while he and study coauthors Dr. Kazuki Yokouchi and Dr. Yuuki Kawabata ...

This story was produced in partnership with Beyond the Headlines, a program of Wisconsin Humanities, and was funded in part ...

Octopuses and fish are routinely seen working together ... They’re ready to give anyone who steps out of line a swift punch to the gills. Scientists gathered these leadership lessons by watching ...

Fish are cold-blooded vertebrates that strictly live in water. They breathe using special organs called gills. Fish are the ...

Stuart Ralston, chef at Aizle, Noto, Tipo and the seafood-focused Lyla in Scotland, also recommends checking for any ...

A Comprehensive Guide to the Fascinating World of Siamese Fighting Fish Combat. Introduction. The world of betta fighting, ...

Anti-salmon farming groups and media outlets in the U.K. have recently decried the number of fish mortalities recorded on ...

The Lure: The lure is the centerpiece of the costume, mimicking the bioluminescent appendage used by anglerfish to attract ...

"It moved back up the digestive tract towards the gill of the fish." Antonio Duarte/Getty Stock image of wild eels Related: Rare Ghostly-Looking 'Dumbo' Octopus Spotted on Deep Sea Camera ...