All steelhead start life as rainbow trout, but not all rainbow trout will become steelhead. Confused? You’re not alone.

Check out the most fascinating and bizarre deep-sea fish the planet has to offer. Location: Indian Ocean, Pacific Ocean, Gulf of Mexico and Atlantic Ocean The "hairs" on the frogfish are actually ...

Video shows the remarkable and menacing-looking fish swimming out of its deep-sea depths in light-filled water, allowing it to be stunningly observed outside its pitch-black habitat. "It is a true ...

The deep sea, covering approximately 65% of Earth's surface, has long been considered a biological desert. In this extreme ...

This terrifying deep-sea fish is typically found at depths of 200 to 2,000 meters and is rarely seen alive. Condrik – Tenerife, an NGO conducting a shark research expedition, made the sighting.

A very rare fish sighting is making a splash on social media. A deep-sea anglerfish, with its mouthful of sharp teeth, was spotted near the surface of the water near the Canary Islands off the ...

Another deep-sea dweller washed up on a Carlsbad beach ... community online and was ultimately connected with San Diego's fish expert Ben Frable, manager of the Scripps Institution of Oceanography ...