Chaetodon sedentarius (Reef Butterflyfish) | Elegant and Active Marine Fish

The Chaetodon sedentarius, commonly known as the Reef Butterflyfish, is a graceful marine fish native to the reefs of the Western Atlantic and Caribbean. Recognized for its silver body adorned with dark diagonal lines and its distinct black facial mask, this species adds a touch of elegance to any marine aquarium. While relatively peaceful, it requires a well-established tank with ample swimming space and hiding spots.

Key Benefits:

✔ Elegant and visually striking fish – Unique patterns and refined coloration.

✔ Peaceful temperament – Coexists well with other non-aggressive fish.

✔ Easy to feed in captivity – Accepts frozen and enriched foods.

✔ Active and curious – Constantly explores its environment.

✔ Reef-safe with caution – May nip at soft corals and invertebrates.

Technical Specifications:

• Scientific Name: Chaetodon sedentarius

• Average Adult Size: 12-15 cm

• Origin: Caribbean, Western Atlantic

• Ideal Temperature: 24-28°C

• Salinity: 1.023 – 1.025

• pH: 8.1 – 8.4

• Lighting: Moderate to strong

• Water Flow: Moderate to strong (prefers well-oxygenated tanks)

Care Instructions & Recommendations:

1️⃣ Compatibility: Best suited for community tanks with non-aggressive fish.

2️⃣ Feeding: Omnivorous, eats mysis shrimp, brine shrimp, bloodworms, and enriched foods.

3️⃣ Behavior: Active and social but may become territorial with similar species.

4️⃣ Acclimation: Drip acclimation recommended for stress-free adaptation.

5️⃣ Maintenance: Provide a rocky environment with ample hiding spots and open swimming areas.