A rare sighting in Bali, Indonesia shows a majestic looking sea slug with a unique way of swimming and eating.

A deep-sea fish species with unusual cheek patterns has been discovered in the South China Sea after it was listed on online seafood markets. The fish has been named Branchiostegus sanae because its ...

An strange deep-sea fish washed up on the Oregon shore recently, but it didn't surprise the fish nerds at the Seaside Aquarium. The crew at the aquarium were familiar with the fish, which had fanged ...

Deep down in the sea, where no light penetrates and where the availability of food is very low, life somehow exists in ways ...

The ocean is home to some of the strangest-looking creatures in the world. It seems that the deeper you go, the stranger the sea life becomes. The coffinfish is one example. Also known as the sea toad ...

A deep-sea creature most people will never encounter in their lifetime just showed up twice on the same stretch of beach in Mexico. Two oarfish — long, ribbon-like animals that ...

Two rarely-seen deep-sea creatures recently washed up on a beach in Mexico and according to legend, it's not a good sign.