Banded Sea Snake: The sea snake lives in the Indian ocean and the Pacific ocean. They grow around 8 feet long. It is more active at night.
Stingray: Stingrays live in the warm seas. They can get very very big. Stingrays are mean when they feel frightened.
Crown of Thorns Sea Star: The Crown of thorns sea star lives in the Indian ocean and the Pacific ocean. It can grow 16 in long. They are the biggest sea star in the world.
Conger Eel: Conger eels live for up to 15 years long. The conger eels eat fish, squid, octopus, and crustaceans. The conger eel lives in the eastern Atlantic ocean. The conger eel has been known to attack people
Moray Eel: Moray eels eat fish, octopuses, shrimp and crabs. The moray eel can live for up to 25 years. To get a moray off of you you have to cut the head off.
Piranha: Piranhas live in the rivers of South America. They can grow 5-10in long. A school of piranhas can kill a human in 5 minutes.
Electric Eel: Electric eels can grow 6ft 7in long. They weigh 44 lbs. Electric eels live in South America. To catch prey, they give it an electric shock and it can kill humans, too.
Lamprey:The lamprey can drink 3 lbs of blood in its adult life. A lamprey can weigh 5 lbs. Lampreys eat fish. They can live in freshwater and saltwater, and can sometimes be found in the United States. Lots of them can be found in the Great Lakes of Michigan.