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Four-spot butterfly (Chaetodon quadrimaculatus) — Chaetodontidae

Four-spot butterfly

Chaetodon quadrimaculatus
LC · Least Concern

The Four-spot butterfly (Chaetodon quadrimaculatus) is a saltwater fish of the family Chaetodontidae that grows up to 16 cm.

Length
16 cm
Water
Saltwater
Depth
0.0–43.0 m
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Pacific Ocean
Edibility
Not eaten

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Description

The fourspot butterflyfish is a butterflyfish of the Pacific, ranging from the Ryukyu Islands and Taiwan to Hawaii, the Marquesas and Pitcairn. It grows to about 16 cm and has a deep, laterally compressed body with four conspicuous dark spots, two on each side. It lives almost exclusively on exposed seaward reefs, usually between 2 and 15 metres depth, and feeds mainly on the polyps of Pocillopora corals. The fish forms monogamous pairs. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Four-spot butterfly?

The Four-spot butterfly has a flattened, disc-shaped body, is mainly brown and shows a spots pattern. Four dark blotches on the flanks; monogamous pair-forming

Where does the Four-spot butterfly live?

The Four-spot butterfly lives in the sea (marine waters) and is mostly found around stony or rocky ground. Pacific Ocean

How big does the Four-spot butterfly get?

The Four-spot butterfly grows to a maximum of about 16 cm.

Is the Four-spot butterfly dangerous to humans?

No, the Four-spot butterfly 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 Four-spot butterfly edible?

The Four-spot butterfly is not usually eaten.

More photos

Four-spot butterfly (Chaetodon quadrimaculatus) — Chaetodontidae — 2
Wikimedia Commons — Alex Wegmann, U.S. Fish and Wildlife Service (Public domain)
Four-spot butterfly (Chaetodon quadrimaculatus) — Chaetodontidae — 3
Wikimedia Commons — NPS photo - Bill Eichenlaub (Public domain)
Four-spot butterfly (Chaetodon quadrimaculatus) — Chaetodontidae — 4
Wikimedia Commons — U.S. Fish and Wildlife Service Headquarters (Public domain)
Four-spot butterfly (Chaetodon quadrimaculatus) — Chaetodontidae — 5
Wikimedia Commons — Izuzuki (CC BY-SA 3.0)
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All data

Identification

English name
Four-spot butterfly verified
Scientific name
Chaetodon quadrimaculatus
Family
Chaetodontidae
Other names
Fourspot butterflyfish; Neonbanded butterflyfish verified

Appearance

Size class
Medium verified
Max length (cm)
16.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown inferred
Pattern
Spots sourced
Tail shape
Straight inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
43.0 verified
Natural range
Pacific Ocean verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Polyps of Pocillopora corals sourced
Social behaviour
Small groups sourced
Territorial
Yes inferred
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Resident fish on outer reefs; forms monogamous pairs. sourced
Special features
Four dark blotches on the flanks; monogamous pair-forming sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
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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