Blue-Spotted Jawfish (Opistognathus rosenblatti)

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

Blue-Spotted Jawfish

Quick facts

Scientific nameOpistognathus rosenblatti
FamilyOpistognathidae
Also known asBlue-Spotted Jawfish
Care levelModerate
Reef safetyReef Safe with Caution
TemperamentPeaceful
Dietcarnivore
Adult size4.5 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

Small goby-like fish with pale tan to yellowish body coloration and distinctive blue spots scattered across the head and body. The mouth is large and terminal, and the body is relatively slender with the dorsal fin positioned anteriorly.

Diet and feeding

Feed small frozen meaty foods including mysis shrimp, brine shrimp, and small pieces of fish. Offer food items that will sink or move slowly near the substrate where the jawfish forages. Feed 1-2 times daily.

Difficulty and care for the Blue-Spotted Jawfish

Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.

Common health issues

Marine ich, Fin Rot, Swim Bladder Disease, Bacterial Infections, Fungal Infections

Origin and habitat

Eastern Pacific from the Gulf of California to Peru.

Log Blue-Spotted 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 Blue-Spotted Jawfish alongside everything else in your reef.