A fish that normally thrives in the cold fresh and salt waters ... freshwater—begin to turn and swim with the current. “We get them ready to turn to salt water,” Claire said.

For a long time it was thought that fish don't sleep, and truthfully, they don't sleep like we do, but they do engage in regular periods of rest.

We know surprisingly little about the deep ocean or the strange creatures that live there. These unusual animals have evolved ...

confirms that these structures in an early vertebrate fish from the Ordovician period about 465 million years ago contained dentine, and likely helped the creature sense conditions in the water ...

"All this extra anatomy," she says, "it's to sense pressure or to sense chemistry in the air or water." So Haridy turned to ancient ... "your great great great many times over grandparent was a ...

"All this extra anatomy," she says, "it's to sense pressure or to sense chemistry in the air or water." So Haridy turned ... over grandparent was a jawless fish swimming in the sea, sensing ...

Are you looking for the best hikes in Alaska? You are in the right place! I visited Alaska on a recent hiking group trip and ...

However, strange snouts, enormous eyes, and sharp teeth all help these animals survive the cold ... aid of a swim bladder. Blobfish lack this gas-filled bladder, which some other fish use for ...

Most spiders don’t swim by choice. But they sure can survive in water when they need to. From floating like a boat, to ...

Reef "beauty salons" staffed by tiny cleaner fish aren t just for parasite removal they may also shape the microbial life of ...