Found in the tropical waters of the Caribbean, it get its name from the jet black "cap" on the top of its head, running from the nose through the start of the dorsal fin. The body is a vibrant purple, making this a very striking and most wanted of the basslets. It is an easy to care for fish and does great in reefs, making this fish a great starter for the beginning reef aquarist.
Size: ave. 1 1/2" - 3 2/3"; can grow to 4."
No. in Tank: Best to have only one - it will become aggressive towards its own species.
Tank;,/. min. 30 gallon.
Temperament: Peaceful. Once established, it may get aggressive and defend its favorite hole or hiding place.
Food: (Carnivore) Eats mainly zoo-plankton, but needs a varied diet including meaty fish treats, mysid shrimp, vitamin-enriched brine shrimp and crustacean flesh.
Light: None, it's a deep-water fish unaccustomed to light.
Adaptation: They can adapt well if given plenty of hiding places and lots of room to swim. Also need caves and overhangs on which to perch and shaded areas, as it is not use to a lighted environment.
Compatibility: Does great in reef systems and well-maintained aquariums. May get territorial with other basslets and aggressive to smaller fish, especially when they intrude its favorite hole or hiding spot. Does the best with peaceful and less stubborn tank-mates.