Dotted Butterfly

The Dotted Butterflyfish (Chaetodon semeion) is a vibrant marine species celebrated for its striking coloration and distinctive markings. Native to the Indo-Pacific region, particularly around the Maldives, Tuamotu Islands, Ryukyu Islands, and the Great Barrier Reef, this fish is a favorite among marine aquarium enthusiasts.

(NOT REEF SAFE / ADVANCED)

Essential Information:

• Common Names: Dotted Butterflyfish, Decorated Butterflyfish, Golden Butterflyfish
• Scientific Name: Chaetodon semeion
• Family: Chaetodontidae
• Origin/Habitat: Found in the Indo-Pacific region, including areas such as the Maldives, Tuamotu Islands, Ryukyu Islands, and the Great Barrier Reef.
• Maximum Size: Up to 10 inches (25 cm) in the wild; typically 4 to 6 inches (10 to 15 cm) in captivity.
• Lifespan: Can live up to 10 years with proper care.
• Level of Difficulty: Advanced; requires a well-established aquarium with stable water parameters and a consistent food supply.

Appearance & Physical Traits:

• Coloration & Pattern: Bright golden yellow body with a prominent vertical black bar running through the eye; diagonal rows of black dots along the flanks; blue forehead; yellow dorsal, anal, pectoral, and pelvic fins; black bases on the posterior portions of the dorsal and anal fins.
• Body Shape & Structure: Elongated body with a pronounced, slender snout adapted for probing crevices.

Habitat & Environmental Needs:

• Minimum Tank Size: A 75-gallon (285 liters) tank is recommended.
• Water Temperature: Maintain between 75°F and 84°F (24°C to 29°C).
• pH Level: Keep between 8.1 and 8.4.
• Specific Gravity: Optimal range is 1.020 to 1.025.
• Aquascape: Provide live rock with ample hiding spots and open swimming areas.

Diet & Feeding:

• Diet Type: Omnivorous
• Preferred Foods: Live or frozen brine shrimp, mysis shrimp, and other small invertebrates.
• Feeding Frequency: Feed small amounts 2 to 3 times daily to accommodate their high metabolism.

Behavior & Compatibility:

• Temperament: Generally peaceful; may be shy initially but becomes more outgoing over time.
• Social Behavior: Best kept singly or in pairs; avoid keeping with aggressive species.
• Tank Mate Compatibility: Compatible with most peaceful marine species; avoid aggressive fish that may stress the Dotted Butterflyfish.
• Activity Level: Moderately active, often seen probing crevices and foraging for food.

Care Considerations & Additional Notes:

• Ease of Care: Ideal for experienced hobbyists due to its specific dietary and environmental requirements.
• Special Requirements: Requires a well-established aquarium with stable water parameters and a consistent food supply.
• Breeding Info: Little is known about breeding the Dotted Butterflyfish in captivity.
• Additional Notes: The Dotted Butterflyfish is considered reef-safe and can be kept in reef aquariums. However, it may nip at certain corals and invertebrates, so monitor interactions closely.