Jawfish – Blackcap

Blackcap Jawfish Care Tips:

Minimum Tank Size:  30 Gallons

Max Size: Up to 11.25cm (4½″)

Diet: Carnivore

Temperament: Peaceful

Lifespan: Up to 15 years

Scientific Name: Opistognathus Randalli

Coral Safe: Yes

Invertebrate Safe: Yes

Approx. Purchase Size:  2 – 3 inches

The blackcap jawfish, scientific name Opistognathus Randalli is a peaceful fish. Their minimum tank size is 30 gallons. They can grow up to 4 ½” and can live up to 15 years. Blackcap jawfish are carnivores and should be fed frozen meaty foods such as brine or mysis shrimp. Blackcap jawfish should be kept singly unless there is adequate space. Blackcap jawfish are reef safe, they will not bother coral or invertebrates. Jawfish will pick up the sand with their mouth and move it to another area, creating a burrow for them to live in. Jawfish are best suited with tanks that have sand.