Allen's Damselfish (Pomacentrus alleni)

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

Quick facts

Scientific namePomacentrus alleni

FamilyPomacentridae

Care levelModerate

Reef safetyReef Safe with Caution

TemperamentSemi Aggressive

Dietomnivore

Adult size3.5 in

Minimum tank size20 gallons

Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025

Feeding schedule2-3 times daily

Appearance

Allen's Damselfish displays a striking bright yellow body with electric blue accents on the head and dorsal fin. The species has a compact, robust damselfish body shape with a pointed snout and typically reaches 3-3.5 inches in length.

Diet and feeding

In captivity, feed a varied diet of high-quality flake food, pellets, and small frozen foods such as mysis shrimp, brine shrimp, and finely chopped seafood. Offer 2-3 times daily in small portions they can consume quickly.

Difficulty and care for the Allen's Damselfish

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

Origin and habitat

Indo-Pacific region, including the Great Barrier Reef and surrounding areas from Australia to Indonesia.

Log Allen's Damselfish 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 Allen's Damselfish alongside everything else in your reef.

Download Reef Trak See the full app