Acanthurus chirurgus (Doctorfish) | Algae-Eating Surgeonfish for Marine Aquariums

The Acanthurus chirurgus, commonly known as the Doctorfish, is a hardy and active surgeonfish, essential for maintaining a healthy marine ecosystem. Native to the Western Atlantic and the Caribbean, this species is easily recognizable by its bluish-gray body with horizontal stripes and reflective silver scales under aquarium lighting. Highly effective at controlling algae, it plays a key role in keeping tanks clean and balanced.

Key Benefits:

✔ Efficient algae eater – Helps prevent excessive algae growth.

✔ Active and hardy – Adapts well to aquarium conditions.

✔ Ideal for large tanks – Requires ample swimming space.

✔ Reef-safe – Does not harm corals or invertebrates.

✔ Territorial but peaceful – Can coexist with similar-sized surgeonfish.

Technical Specifications:

• Scientific Name: Acanthurus chirurgus

• Average Adult Size: 25-30 cm

• Origin: Western Atlantic, Caribbean

• Ideal Temperature: 24-28°C

• Salinity: 1.023 – 1.025

• pH: 8.1 – 8.4

• Lighting: Moderate to strong

• Water Flow: Strong (prefers high currents)

Care Instructions & Recommendations:

1️⃣ Compatibility: Requires a minimum 400-liter tank with plenty of swimming space.

2️⃣ Feeding: Herbivorous, primarily feeds on algae, nori, and plant-based foods.

3️⃣ Behavior: Territorial with its kind but peaceful with non-competing species.

4️⃣ Acclimation: Drip acclimation recommended to reduce stress.

5️⃣ Maintenance: Provide a rich diet of algae and strong water flow for optimal health.