Oarfish, often called the “Doomsday fish,” are making waves due to their rare appearance off the coasts around the world four ...

Xenacanthus was a 3-to-5-foot freshwater shark which fed on crustaceans and small fish. It lived from the end of the Devonian ...

The 30-year-old adult male shark, dubbed "Contender", has travelled a staggering 1,870 miles since the beginning of this year ...

Scientists have uncovered that fish biofluorescence a captivating ability to glow in vivid colors has ancient roots stretching back over 100 million years. This trait evolved independently in reef ...

We just caught a mutant Oscar fish and it has NO tail fin! Watch this rare and surprising catch up close, as we take a look at how this unique fish swims, behaves, and adapts without its tail.

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