Scientists have made a groundbreaking discovery of a deep-sea fish that lives without a stomach! This fascinating creature ...

Other videos showed two species of cusk eel, Bassozetus sp. and Barathrites iris, swimming tail-first away from the camera ...

Miles below, a deep-sea fish approached the camera’s bait then, changing its mind, swam backward to escape. The footage turned out to be a first-of-its-kind sighting — but it wasn’t the last.

In the Lufubu River in Zambia, a “large”-mouthed fish known as Salzburg’s cichlid was identified as a new species. This fish, ...