Chinstrap Jawfish


Fish Type: Jawfish


Scientific Name: Opistognathus sp


Species: Opistognathidae

Color: black, white, orange, tan
Aggressiveness: Non-Aggressive
Diet: Carnivore
Max Size: 3"
Minimum Tank Size: 30 gal
Relative Care: Moderate
Photo Courtesy of Live Aquaria


The Chinstrap Jawfish is a newly “discovered” species of Jawfish sure to boost activity and entertainment value to your aquarium. This yet undescribed Jawfish is similar in appearance to Opistognathus scops. However, the Chinstrap Jawfish is distinguished by large, coarser mottling where the white “spots” take on a decorative and attractive snowflake pattern. The Chinstrap Jawfish features a prominent ocellus at the front of the dorsal fin and an ocular band that extends down to its chin that gives it its common name.

The Chinstrap Jawfish should be kept in a 30-gallon or larger aquarium with docile tank mates and at least 3 to 4 inches of mixed substrate for burrowing. A supply of broken coral branches, clam or snail shells, and assorted pieces of rubble will be eagerly welcomed as essential den-building materials.

Jawfish display territorial aggression towards others of their own species, so only one specimen, or a mated pair, should be kept per tank. Multiple Chinstrap Jawfish may be kept if they are housed together in a large enough tank where each Chinstrap Jawfish can comfortably establish their own territories. Similar to other Jawfish, an aquarium with a tight-fitting lid is required to prevent potential escape.

The diet of the Chinstrap Jawfish should consist of a variety of marine fish, crustacean flesh, and mysis shrimp.

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