Aquarium Fish

Moustache Jawfish

posted: 05/15/12
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Moustache Jawfish
Courtesy of Drs. Foster and Smith
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The head and body of the Moustache Jawfish, also known as the Black Cap Jawfish, are green and orange. It has an orange stripe above the mouth, resembling a moustache.

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 Moustache Jawfish is hardy and will spawn successfully while in the aquarium.

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

Like other gobies, they are generally compatible with: Dwarf Angelfish, Anthias, Basslets, Batfish, Blennies, Boxfish, Butterflyfish, Cardinalfish, Clownfish, Damselfish, Filefish, Hawkfish, Pseudochromis, Puffers and Tangs & Surgeons.

Fish Facts

Name: Moustache Jawfish (Opistognathus lonchurus)

Family: Opistognathidae

Range: Tropical Western Pacific

Size: Up to 4 inches

Diet: Carnivore

Tank Set-up: Marine: Coral or rock, plants

Reef Compatible: Yes

Tank Conditions: 72-78°F; sg 1.020-1.025; pH 8.1-8.4

Minimum Tank Capacity: 30 gallon

Light: Medium

Temperament: Peaceful

Swimming Level: Bottom

Care Level: Moderate

Reproduction: Egg Layer

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