A clever tropical fish has flipped how biologists are thinking about memory, brains and visual recognition in the animal ...

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

Freshwater browning is stunting fish growth of some species, shrinking populations of others and changing the composition of ...

Vitamin D is a fat-soluble vitamin critical for bone growth and cell development. Rainbow trout, salmon, sardines, tuna, mackerel, and herring are good sources.

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.

“This was another exceptional fall fish stocking season, enhancing fishing opportunities throughout Michigan,” said DNR fish ...

As you sit and watch a goldfish swim in its bowl or a school of fish glide effortlessly through the open sea, you can’t help ...