Dragonfish can produce their own light using bioluminescence. Their blinking barbel attract prey and potential mates. The walls of their stomachs are black to hide the light of any prey.
Telescope octopi have rotatable eyes on top of long stalks giving them amazing multi-directional eyesight. They are transparent which helps them hide from predators.
Barreleye can be found 400 to 2500 feet deep. The green lenses above their eyes filter any sunlight that can penetrate to their depth. This adaptation lets them see prey in poor light.
Viperfish can be found 5000 ft deep. Their teeth are so long that they can't fit in their mouth. They kill their prey by colliding with their pray at high speeds to impale them with their teeth. Viperfish can only grow up to about 12 inches long.
They can only grow up to 6 inches long. They have long teeth which fit into sockets beside their brain.
These shrimp like creatures live 30,000 feet deep. They eat wood and plant debris that has drifted down.
Ping - Pong Tree Sponge
Ping-Pong Tree Sponges can be found around 9,000 feet below sea level. They do not look dangerous but they have hair-like hooks which can catch small animals. Once the prey is snagged cells start to digest it.
Enypniastes can be found up to 16,400 feet deep. The red area is it's mouth. It has little tentacles which scoop edible mud from the sea floor into its mouth.
Adult Goblin Sharks are 8 to 13 feet long. They were discovered in 1898. The males can weigh up to 463 pounds.
Hatchet Fish have special organs which product light. They are found from 600 to 4500 feet deep. They have large sensitive eyes to help them see deep under water.
Female football fish can grow up to 60 cm long. Male football fish only grow up to 4 cm long. Football fish have a long bioluminescent lure which they wave back and forth to attract prey.
Frilled Sharks are prehistoric beasts with about 300 sharp teeth. They can grow up to 2 meters long.
Dumbo Octopi can be found 10,000 to 11,000 feet deep. They are called dumbo octopi because of their fin like ears which look like Walt Disney's flying elephant called Dumbo.
Males can only grow up to about half an inch long. Females can grow up to 8 inches long. Males will fuse onto a female and they will share blood with each other.