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.

However, there are species of saltwater eels that spend their entire lives in the ocean. For freshwater alternatives, try the Yellow Tail Spiny Eel, Peacock Eel, Zigzag Eel, and Indian Mud Moray Eel.