In this guide, we’ll look at some of the most popular for home aquariums. 1. Golden Dwarf Moray Eels: Small and Hardy Most people expect moray eels to be some of the biggest tank fish.

The fish mainly dwell at depths of between 400 and 2,000 meters. Reaching a length of about 1 meter, the blackish eel has a large mouth and preys on squid and other fish, eating them whole.

They belonged to two new species of eelpouts, a kind of fish that look generally like eels but have front fins and a slightly different tail shape. “From my point of view, eelpouts are ...