The ocean sunfish (Mola mola) is the heaviest bony fish in the world, with an average weight of 1000 kilograms
This shark is an extremely rare and unusual species of deep water shark. Discovered in 1976, only a few have ever been seen, with 39 specimens known to have been caught or sighted as of 2007 and three recordings on film.
This strange cartilaginous fish uses its long snout to scan over the sea floor for the electrical impulses of its prey that bury in the muddy sea floor, just like a metal detector.
This fish, also called an ogrefish, while understandably named for their disproportionately large, fang-like teeth and unapproachable visage, are actually quite small and harmless to humans
The pelican eel’s most notable feature is its enormous mouth, much larger than its body. The mouth is loosely-hinged, and can be opened wide enough to swallow a fish much larger than itself.
The blue-ringed octopus is the size of a golf ball, but its venom is powerful enough to kill humans. There is no known antidote.
With a fearsome grin fit for a movie monster, the viperfish is a real-life predator that lurks in one of the world’s most remote locations.
This large species has a rounded head and a mouth which faces forward to catch squid and fish that swim up off the sea floor.
The Vampire Squid is covered entirely in light-producing organs called photophores.
With its polka-dot mantle and wide-eyed expression, this glass creature represents a lighter side of the inky ocean deep.
The elusive giant squid, known to science as Architeuthis dux, is one of the world’s largest animals, reaching a length of up to 60 feet. It is the largest known invertebrate in the world.