Mottled Jawfish (Opistognathus variatus)

Fish in the family Opistognathidae. Moderate care. Reef Safe with Caution.

Mottled Jawfish

Quick facts

Scientific nameOpistognathus variatus
FamilyOpistognathidae
Care levelModerate
Reef safetyReef Safe with Caution
TemperamentSemi Aggressive
Dietomnivore
Adult size6 in
Minimum tank size30 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Feeding scheduleFeed 2-3 times daily

Appearance

Mottled Jawfish display a tan to olive body with darker mottling and bars. They have a relatively large mouth, small eyes, and a robust build typical of jawfishes, with the characteristic pointed snout.

Diet and feeding

Zooplankton, marine worms, small crustaceans (such as mysid shrimp), brine shrimp, and fish eggs in both wild and aquarium environments.

Difficulty and care for the Mottled Jawfish

Moderate - Mottled Jawfish requires standard marine aquarium maintenance and intermediate fish keeping skills.

Common health issues

Marine ich, Fin Rot, Swim Bladder Disorder, White Spot Syndrome, Bacterial Infections

Origin and habitat

Indo-Pacific region from the Red Sea and East Africa to the Great Barrier Reef and beyond.

Log Mottled Jawfish in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Mottled Jawfish alongside everything else in your reef.