Once dubbed the world's ugliest animal for its soft, lumpy appearance, the blobfish has made a stunning comeback: it was ...

The giant extinct shark species known as the megalodon has captured the interest of scientists and the general public alike, ...

The boxfish is aptly named for its box-like shape. Covered in a bony carapace, this fish has a square, rigid body that gives ...

Human embryos briefly exhibit traits like tails and gill-like structures, revealing our evolutionary history and deep ...

The blobfish, often mocked for its unique appearance, has been named New Zealand's Fish of the Year after a dedicated ...

Judges and buyers pay attention to how healthy its skin looks, its size and body shape, and how gracefully the fish moves in the water. But the most important trait of all is the koi's coloring.

The world's fish supply is getting smaller, physically. A study published in the journal Science said that body size trends "varied across communities," but "marine fish more consistently shifted ...

The blobfish resembles a normal fish in its deep sea habitat but when brought to the surface, it morphs into a mushy creature ...

Its mouth can extend over half the length of the fish's body. The fish can protrude its jaws longer than any other on the planet. Peter Wainwright of UC Davis recorded this video of the wrasse ...

The gelatinous fish lives on the sea bed and grows ... when caught and rapidly brought to the water surface its body deforms into its hallmark mushy shape - the same one that has earned it the ...