Watanabe's Angelfish (Genicanthus watanabei)

Fish in the family Pomacanthidae. Hard care. Reef Safe with Caution.

Watanabe's Angelfish

Quick facts

Scientific nameGenicanthus watanabei
FamilyPomacanthidae
Care levelHard
Reef safetyReef Safe with Caution
TemperamentPeaceful
Dietomnivore
Adult size9 in
Minimum tank size125 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.026
Feeding schedule2-3 times daily

Appearance

Watanabe's Angelfish is a deep-bodied pomacanthid with striking golden-yellow coloration on the head and anterior body, transitioning to deep blue or indigo on the posterior body and tail. Adults display a distinctive vertical yellow band or stripe pattern, and the dorsal and anal fins are edged in blue. This species exhibits sexual dichromatism, with males and females showing subtle color differences.

Diet and feeding

In captivity, feed high-quality frozen or prepared foods including mysis shrimp, quality sponge-based preparations, and omnivore pellets. Supplement with spirulina and vegetable matter. Feed 2–3 times daily in appropriate portions.

Difficulty and care for the Watanabe's Angelfish

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

Common health issues

Ich, marine velvet, bacterial infections, nutritional deficiencies

Origin and habitat

Indo-Pacific, from the Indo-Australian Archipelago to the Philippines and Micronesia, typically found at depths of 40–200 meters on mesophotic and deep reefs.

Log Watanabe's Angelfish 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 Watanabe's Angelfish alongside everything else in your reef.