Fish-

* Nowadays, there are more than 28 million species cataloged
* Fish have a vision of short, though fantastically blind in all directions. They can not hear very well, but have sensitive parts of the body that allow them to realize what is happening nearby. The blood of the fish, unlike ours, is cold.
* Playback happens to fish spawning. The female lays eggs in large quantities. These eggs are grouped together to form a kind of gelatin. They are abandoned and, if not eaten by other fish, will develop themselves.
*F ish-electric can produce electric current through special muscles that have the body. Most people produce an electric current of low power, however, there are species that the electricity generated can affect a man. There are approximately twenty species of electric fish in the world.