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.

Perhaps "aquarium" isn't the right word to describe this attraction. Of course, there are fish, stingrays, eels and octopuses – you'll find these and a variety of other aquatic creatures ...