Filmed by the Schmidt Ocean Institute, the video reveals a deep-sea rattail fish with two parasites clinging to either side ...

Atlantic bluefins are warm-blooded, a rare trait among fish, and are comfortable in the cold waters off Newfoundland and Iceland, as well as the tropical waters of the Gulf of Mexico and the ...

A sleek, powerful fish ... marlin can grow to be as long as nine feet and weigh 180 pounds, with males slightly smaller than females. HABITAT: White marlin are found throughout tropical and temperate ...