Flagfin Angelfish

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The Flagfin Angelfish is a spectacular marine angelfish recognised by its bright yellow body, blue facial markings and distinctive black markings. It is an active and eye-catching addition to a suitably large, mature marine aquarium and is best kept by experienced aquarists.

Quick Care Guide

• Scientific Name: Apolemichthys trimaculatus
• Difficulty: Intermediate–Advanced
• Adult Size: Up to around 25 cm
• Minimum Aquarium: 500 L+
• Diet: Omnivore; sponge-based foods, algae, marine pellets and frozen foods
• Temperament: Semi-aggressive
• Reef Safe: With caution — may nip corals and sessile invertebrates
• Origin: Indo-Pacific

FAQ

How big does a Flagfin Angelfish get?
Adults can reach approximately 25 cm, so they require plenty of swimming space and a suitably large aquarium.

Is the Flagfin Angelfish reef safe?
It is not considered completely reef safe. Individuals may nip at corals, sponges and other sessile invertebrates.

What should I feed a Flagfin Angelfish?
Provide a varied diet containing sponge-based foods, marine algae, quality pellets and frozen foods. Regular feeding helps maintain condition and colour.

Common Mistakes

• Adding one to a small or immature aquarium
• Providing an overly limited diet
• Assuming it is completely reef safe
• Keeping incompatible angelfish together
• Not providing sufficient rockwork and hiding spaces