North American eel and the European eel
Examples of catadromous fish include eels such as American eels and European eels. These fish are born in saltwater, migrate to freshwater to mature and spawn, and then return to the sea to complete their life cycle.
Live in salt and freshwater
If the fish does this for fun rather than to breed it is classed as an "amphidromous" species. If the fish lives mainly in the ocean and travels into fresh water to breed then it is "anadromous". Salmon come into this category.
Anadromous: Relating to fish, such as salmon or shad, that migrate up rivers from the sea to breed in fresh water.Catadramous: Migratory pattern in which juvenile fish spawn in the open ocean but mature in freshwater.
fish
Sharks and rays.
Ascending rivers from the sea, at certain seasons, for breeding, as the salmon, shad, etc., Tending upwards; -- said of terns in which the lowest secondary segments are on the upper side of the branch of the central stem.
Examples of "oilyfish''
Some examples of fish noises that can be heard underwater include grunts, pops, clicks, and drumming sounds. These noises are often used by fish for communication, navigation, and hunting.
fish and meat or water
Some examples of fish that have single fins are: Orca, White shark, Indo-pacific sailfish, common dragonet, whales, porposies, cetacenas, ichthyosaurs.
There are numerous tropical fish that live in jungles. Some examples of jungle fish include angelfish, piranha, tiger fish, and some varieties of catfish.