Marbled Swamp Eel (Synbranchus marmoratus) Sizes:4" inches Black Arowanas are carnivorous surface

Black Arowanas are carnivorous surface feeders:

they can be aggressive towards each other and should be kept singly or in a large group of 5 or more fish (they will get along with most other Heros species as long as the group is large enough)

and other robust fish

and water movement make for a healthy environment

it’s best kept as a single specimen in a community of medium to large fish

Marbled Swamp Eel (Synbranchus marmoratus) Sizes:4" inches Black Arowanas are carnivorous surfaceSynbranchus marmoratus, the marbled swamp eel, neotropical swamp eel, marmorated swamp eel, mottled swamp eel, zange, or muum is a species of swamp eel native to Central and South America, including the island of Trinidad. They can reach 5 feet in length.