The Glass Eel originated from Indonesia to the West Pacific. Growing to 36 inches in at least 10 years, the Glass Eel fish specie is a great addition to an aquarium. This eel is harmless and likes to live in holes along the river bottom and banks in its native environment. The Glass Eel's diet will consist of small micro organisms as well as New Life Spectrum's Small Fish formula, Finicky formula and Zoo Plankton found at Fish Foods. The Glass Eel can thrive in freshwater and brackish water and is best suited in an aquarium with at least four other Glass Eel.