Several populations of Mexican tetra fish that live in darkness have independently evolved to need hardly any sleep, but the ...

Native to the West Coast, white sturgeon is North America’s largest freshwater fish. Its medium-sized roe is rich and earthy, with a clean finish. Though the breed is not classified as endangered, you ...

Scientists uncovered the "mystery mollusk," a strange glowing sea creature lurking in the ocean's midnight depths.

A rare deep-sea oarfish, also called a sea serpent, washed ashore near San Diego in Encinitas, and Scripps scientists are ...

There are virtually endless varieties of tetra species out there, but few are as immediately visually recognizable as ...