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Rainford's butterflyfish (Chaetodon rainfordi) — Chaetodontidae

Rainford's butterflyfish

Chaetodon rainfordi

The Rainford's butterflyfish (Chaetodon rainfordi) is a saltwater fish of the family Chaetodontidae that grows up to 15 cm.

Length
15 cm
Water
Saltwater
Depth
1.0–15.0 m
Behaviour
Small groups
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Oceania: Australia, Papua New Guinea, Lord Howe I.
Edibility
Commonly eaten

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Description

The Rainford's butterflyfish is a butterflyfish (Chaetodontidae) from the southwest Pacific, around Australia. The species grows to about 15 cm and has a deep, laterally compressed, disc-shaped body with a small, pointed mouth. The yellow body bears a few orange crossbands. As a reef-dweller it searches coral and rocky reefs for coral polyps, small invertebrates and algae; many species live in pairs. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Rainford's butterflyfish?

The Rainford's butterflyfish has a flattened, disc-shaped body, is mainly yellow-gold and shows a vertical stripes pattern.

Where does the Rainford's butterflyfish live?

The Rainford's butterflyfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Australia, Papua New Guinea, Lord Howe I.

How big does the Rainford's butterflyfish get?

The Rainford's butterflyfish grows to a maximum of about 15 cm.

Is the Rainford's butterflyfish dangerous to humans?

No, the Rainford's 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 Rainford's butterflyfish edible?

Yes, the Rainford's butterflyfish is commonly eaten.

More photos

Rainford's butterflyfish (Chaetodon rainfordi) — Chaetodontidae — 2
Wikimedia Commons — Paul Asman and Jill Lenoble (CC BY 2.0)
Rainford's butterflyfish (Chaetodon rainfordi) — Chaetodontidae — 3
iNaturalist ((c) Julien Ueda, some rights reserved (CC BY-NC))
Rainford's butterflyfish (Chaetodon rainfordi) — Chaetodontidae — 4
Wikimedia Commons — Yi-Kai Tea (CC BY-SA 4.0)
Rainford's butterflyfish (Chaetodon rainfordi) — Chaetodontidae — 5
iNaturalist ((c) Jess, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Rainford's butterflyfish sourced
Scientific name
Chaetodon rainfordi
Family
Chaetodontidae
Other names
Rainford's butterflyfish; Rainford's coralfish; Northern butterflyfish verified

Appearance

Size class
Small verified
Max length (cm)
15.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Yellow / gold sourced
Pattern
Vertical bars sourced
Tail shape
Straight inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
1.0 verified
Max depth (m)
15.0 verified
Natural range
Oceania: Australia, Papua New Guinea, Lord Howe I. sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Small groups sourced
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Edibility
Commonly eaten inferred
Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
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. verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Chaetodon

More from the family Chaetodontidae

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