Fin's Fish Guide
The Indian Ocean redfin butterflyfish (Chaetodon trifasciatus) is a saltwater fish of the family Chaetodontidae that grows up to 15 cm.
Description
The melon butterflyfish (Chaetodon trifasciatus) is a colourful butterflyfish of the family Chaetodontidae from the Indian Ocean. The species has a tall, laterally compressed body in yellow-orange hues with numerous fine blue lengthwise lines, a dark eye band and reddish fins, and reaches about 15 cm. It inhabits coral-rich lagoons and semi-protected seaward reefs and is strongly tied to living coral: it feeds almost exclusively on coral polyps. The species is territorial and aggressive toward other butterflyfishes and usually swims in pairs. Owing to its specialised diet it is difficult to keep in the aquarium.
Frequently asked questions
How do you recognise the Indian Ocean redfin butterflyfish?
The Indian Ocean redfin butterflyfish has a flattened, disc-shaped body, is mainly yellow-gold and shows a horizontal stripes pattern. Fine blue longitudinal lines; specialised coral polyp eater that swims in pairs.
Where does the Indian Ocean redfin butterflyfish live?
The Indian Ocean redfin butterflyfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Coral reefs and lagoons of the Indian Ocean.
How big does the Indian Ocean redfin butterflyfish get?
The Indian Ocean redfin butterflyfish grows to a maximum of about 15 cm. On average the species is around 12 cm.
Is the Indian Ocean redfin butterflyfish dangerous to humans?
No, the Indian Ocean redfin butterflyfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Indian Ocean redfin butterflyfish edible?
The Indian Ocean redfin butterflyfish is not usually eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Chaetodon
More from the family Chaetodontidae
Want the complete picture on the Indian Ocean redfin butterflyfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Indian Ocean redfin butterflyfish is one of 12,519 species in the app.