Gramma melacara, also known as the Blackcap Basslet, is a small marine fish from the Western Central Atlantic.

Appearance

A small fish, reaching four inches in length, it is purple with a diagonal black cap on its head.

In the Aquarium

This hardy fish is typically peaceful and can be kept in a reef aquarium. Care should be taken however to only add one fish to an aquarium as they are territorial and do not accept other members of the same, or similar looking, species in the same aquarium. Small shrimp also may get eaten by this fish. Because this fish likes to hide, they should only be kept in an aquarium with large amounts of live rock

Live rock

Live rock is rock from the ocean that has been introduced into a saltwater aquarium. Along with live sand, it confers to the closed marine system multiple benefits desired by the saltwater aquarium hobbyist...

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This fish can be kept in an aquarium that is 30 gallons or larger. If it is desired to keep more than one in an aquarium a tank that is at least 6 feet in length should be used and they should be added at the same time.