Lanternfish are bioluminescent fish, and can only be found at depths of 1000 meters under the Mariana trench. These fish have light organs on their heads which they use to attract prey, such as crustaceans and small fish. There are about 120 species of lanternfish in total, 25 of those species being found in the Pacific Ocean.
2: Blob Sculpin
The blob sculpin is a bottom dweller which makes its home at different levels of the ocean floor depending on the time of year. The average temperature this species live in is between -0.5 degrees Celsius to 5 degrees Celsius, however when in the northern part of the Pacific they can be found living in waters which are 6 degrees Celsius. They have an average lifespan of 15 years.
3: Mariana Snailfish
Snailfish can live up to 1000 meters under the ocean floor, and feed on algae’s, invertebrates and small fish such as shrimps and amphipods. These fish are bottom dwellers with big heads, long bodies and a single row of teeth. They take 18 months to reach maturity and only live for 2 years after maturing.
4: Cusk Eel
Cusk eels generally travel alone or in small packs around coral reefs in the deep sea, often appearing at the surface of the water. They have a round mouth with sharp teeth as well as two long tentacles on their head which they use to capture prey.
5: Black Dragonfish
The black dragonfish is one of the few fish that can live in extreme cold environments due to its ability to heat itself up when it is frozen by its predators, such as sharks and tuna. It is believed there are around 53 species of black dragonfish found in various oceans throughout different parts of the world.
Only discovered in 2006 off the coast of Australia, this squidworm lives under sea sponges, in the cold waters of the southern ocean. It is a pinkish colour with two big eyes on its head and a long body that surrounds it.
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