It should reside in a 30 gallon or larger aquarium with a tight-fitting lid to prevent it from jumping out, and at least 3 inches of mixed substrate for burrowing. It poses a possible threat to small shrimp.

The Black Cap Jawfish is hardy and will spawn successfully in an aquarium.

The diet should consist of a variety of marine fish, crustacean flesh, and mysis shrimp. It prefers to be fed at least three times per day.

Approximate Purchase Size: Small: 1" to 2"; Medium: 2" to 3"; Large: 3" to 4"; XLarge: 4” or larger.