Catalina Goby (Lythrypnus dalli)

Fish in the family Gobiidae. Moderate care. Reef Safe.

Catalina Goby

Quick facts

Scientific nameLythrypnus dalli
FamilyGobiidae
Also known asBlue-banded Goby, Catalina Blue-banded Goby
Care levelModerate
Reef safetyReef Safe
TemperamentSemi Aggressive
Dietplanktivore
Adult size2.5 in
Minimum tank size10 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Feeding scheduleFeed 2-3 times daily

Appearance

A tiny, bright red to orange goby with a somewhat elongated body, pale belly, and characteristic bulbous head. Males display distinctive eyebrow-like markings and can be darker than females.

Diet and feeding

Small crustaceans, copepods, amphipods, frozen mysis, brine shrimp, and other small meaty foods.

Difficulty and care for the Catalina Goby

Moderate - Requires colder water temperatures than typical tropical reef tanks. Best suited for intermediate aquarists with appropriate setup.

Common health issues

Marine ich, Fin rot, Swim bladder disorder, Bacterial infections, Parasitic infestations, Temperature stress

Origin and habitat

Eastern Pacific, endemic to the Channel Islands off Southern California.

Keeper notes

Requires colder water temperatures (60-72°F) than typical tropical reef tanks. Not suitable for warm water reef tanks. Very popular and colorful nano fish.

Log Catalina Goby 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 Catalina Goby alongside everything else in your reef.