Rosenblatt's Jawfish (Opistognathus rosenblatt's)

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

Rosenblatt's Jawfish

Quick facts

Scientific nameOpistognathus rosenblatt's
FamilyOpistognathidae
Care levelModerate
Reef safetyReef Safe with Caution
TemperamentSemi Aggressive
Dietcarnivore
Adult size5 in
Minimum tank size30 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Feeding schedule2-3 times daily

Appearance

Rosenblatt's Jawfish is a small, elongated fish with a mottled tan and brown coloration and distinctive large eyes positioned high on the head. It has a characteristic large jaw and spends most of its time near or within a burrow on the substrate.

Diet and feeding

Feed small meaty foods such as mysis shrimp, brine shrimp, and small crustaceans 2-3 times daily. This species is a benthic forager and feeds on small invertebrates in its natural habitat.

Difficulty and care for the Rosenblatt's Jawfish

Moderate - Rosenblatt's Jawfish requires standard marine aquarium maintenance and intermediate fish keeping skills.

Common health issues

Marine ich, Fin Rot, Swim Bladder Disorder, Bacterial Infections, Parasitic Infestations

Origin and habitat

Eastern Pacific Ocean, ranging from the Gulf of California to Peru along the west coast of Central and South America.

Log Rosenblatt's 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 Rosenblatt's Jawfish alongside everything else in your reef.