It is the name given to the second stage of the development of an eel. It is the stage after the larval or larva state and before that of angon. It is also called the fry stage. It usually measures less than 8 centimeters. It's the only fry you can fish for. The third stage is that of angle, the fourth yellow eel (lives in fresh water) and silver eel (saltwater or seawater life).