Lamarck's Angelfish (Genicanthus lamarck)
Fish in the family Pomacanthidae. Hard care. Reef Safe with Caution.
Quick facts
Appearance
Lamarck's Angelfish displays striking yellow coloration on the head and upper body, transitioning to blue-gray on the lower body and tail. The dorsal and anal fins are bright yellow with blue edges, and the pectoral fins are translucent to pale yellow. Sexually dimorphic adults show subtle differences in patterning.
Diet and feeding
Feed a varied diet of high-quality angelfish flakes, mysis shrimp, spirulina-based foods, and occasionally finely chopped vegetables. Offer food 2–3 times daily in small portions to maintain water quality.
Difficulty and care for the Lamarck's Angelfish
Lamarck's Angelfish is a challenging species requiring excellent water quality, stable conditions, and a well-established aquarium. Success depends on consistent feeding of varied foods and avoiding aggressive tank mates, making it best suited to experienced hobbyists.
Common health issues
Marine ich, Fin rot, Swim bladder disorder, Bacterial infections, Fungal diseases
Origin and habitat
Indo-Pacific from the Red Sea through Southeast Asia to the Great Barrier Reef and Hawaiian Islands, typically found at depths of 30–100 meters on steep outer reef slopes.
Log Lamarck'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 Lamarck's Angelfish alongside everything else in your reef.
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