There are about 800 species of eels that belong to eight suborders, 19 families and 111 genera. Eels are characterized by their elongated, wormlike bodies. Unlike most fish, eels do not have pelvic ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When you’re a ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results