Basics of Rainbowfish Care. You should only keep rainbowfish from the Melanotaeniidae family in freshwater aquarium set-ups. Before bringing your new pet home make sure that you haven’t ...

The endangered Boeseman’s Rainbowfish (Melanotaenia boesemani), found only in the Ayamaru region of West Papua in Indonesia, is a popular ornamental fish. Over-harvesting of this brilliantly ...

Native desert rainbowfish (Melanotaenia splendida tatei) live in the deserts of central Australia. They grow to about 9cm and are usually silver and iridescent, with a yellow and green chequered ...