what is a eel?

True eels (Anguilliformes) are an order of fish, which consists of 4 suborders, 19 families, 110 genera and 400 species. Most eels are predators.
The flat and transparent larva of the eel is called a leptocephalus. A young eel is called an elver.
Most eels prefer to dwell in shallow waters or hide at the bottom layer of the ocean, sometimes in holes. These holes are called eel pits. Only the Anguillidae family comes to fresh water to dwell there (not to breed). Some eels dwell in deep water (in case of family Synaphobranchidae, this comes to a depth of 4,000 m), or are active swimmers (the family Nemichthyidae - to the depth of 500 m).

where are sea turtles found from?

turtles found in all the world's oceans except the Arctic Ocean

how do jelly fish swim?

Jellies swim by jet propulsion. The jelly will expand then quickly contract its bell-shaped body, which forces water away from the bell and pushes the jelly in the opposite direction.

have sharks got bones?

Yes sharks do have bones but it has a speacil name:carclige. thats the speacil name for a shark bone.

what is a hagfish?

a hagfish is a fish that is a fish that looks like a worm but it is much more bigger then a worm.

it has no eyes but parts off its body around the head and the cloaca can detect the presence of

light.

how do puffer fish puff up?

some puffer fish can swell up to 4 times there normal size by swallowing warter in sac in there bellies.