Mudskippers break the rules of fish biology by breathing through their skin, walking on their fins and thriving on land where ...

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.

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

Wild cod is a popular fish with rounder flakes than salmon, explains Swan. It has a mild, delicate flavor, making it one of the best fish to eat if you're new to seafood. Cod also has a noteworthy ...

Spots, warts, and parasites on fish can look alarming. Learn what common fish diseases look like and whether infected fish ...