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Orangetip bristletooth (Ctenochaetus tominiensis) — Acanthuridae

Orangetip bristletooth

Ctenochaetus tominiensis
Family: Acanthuridae

The Orangetip bristletooth (Ctenochaetus tominiensis) is a saltwater fish of the family Acanthuridae that grows up to 16 cm.

Length
16 cm
Water
Saltwater
Depth
0.0–45.0 m
Diet
Herbivore
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Can cause injury
Range
Oceania: Australia, Solomon Is., Fiji, Indonesia, Vanuatu, Palau and others
Edibility
Commonly eaten

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Description

The Orangetip bristletooth is a bristletooth surgeonfish (Acanthuridae) from the western Pacific. The species grows to about 16 cm and has a brown, disc-shaped body with fine, mobile bristle teeth with which it brushes algal film, diatoms and detritus from reef surfaces. The brown body has orange-edged dorsal- and anal-fin tips. A sharp, scalpel-like spine sits on each side of the tail base that can inflict a cut; handle with care.

Frequently asked questions

How do you recognise the Orangetip bristletooth?

The Orangetip bristletooth has a flattened, disc-shaped body and is mainly brown. Bears sharp spines, plates or strong jaws that can cause cuts or puncture wounds; handle with care.

Where does the Orangetip bristletooth live?

The Orangetip bristletooth lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Australia, Solomon Is., Fiji, Indonesia, Vanuatu, Palau and others

How big does the Orangetip bristletooth get?

The Orangetip bristletooth grows to a maximum of about 16 cm.

Is the Orangetip bristletooth dangerous to humans?

The Orangetip bristletooth can cause injury; handle it with care. Never grab a live surgeonfish by the tail; a sharp, scalpel-like spine sits on each side of the tail base. For a cut: rinse with clean water, apply pressure to stop bleeding and cover with a sterile dressing. Deep wounds easily become infected: have them assessed medically and check tetanus status.

Is the Orangetip bristletooth edible?

Yes, the Orangetip bristletooth is commonly eaten.

More photos

Orangetip bristletooth (Ctenochaetus tominiensis) — Acanthuridae — 2
Wikimedia Commons — Haplochromis (CC BY-SA 3.0)
Orangetip bristletooth (Ctenochaetus tominiensis) — Acanthuridae — 3
Wikimedia Commons — Rufus46 (CC BY-SA 3.0)
Orangetip bristletooth (Ctenochaetus tominiensis) — Acanthuridae — 4
iNaturalist ((c) Mark Rosenstein, some rights reserved (CC BY-NC))
Orangetip bristletooth (Ctenochaetus tominiensis) — Acanthuridae — 5
iNaturalist ((c) Mark Rosenstein, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Orangetip bristletooth sourced
Scientific name
Ctenochaetus tominiensis
Family
Acanthuridae
Other names
Orange-tip bristletooth; Orange-tipped bristletooth; Tomini bristletooth; Tomini surgeonfish; Yellow-tip bristle-tooth; Yellow-tip bristletooth verified

Appearance

Size class
Medium verified
Max length (cm)
16.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Tail shape
Crescent (lunate) inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
45.0 verified
Natural range
Oceania: Australia, Solomon Is., Fiji, Indonesia, Vanuatu, Palau and others sourced
Origin
Native inferred

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Algae, seaweeds and plant material inferred
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
Special features
Bears sharp spines, plates or strong jaws that can cause cuts or puncture wounds; handle with care. inferred

For anglers

Edibility
Commonly eaten inferred
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
Can cause injury verified
First aid
Never grab a live surgeonfish by the tail; a sharp, scalpel-like spine sits on each side of the tail base. For a cut: rinse with clean water, apply pressure to stop bleeding and cover with a sterile dressing. Deep wounds easily become infected: have them assessed medically and check tetanus status. sourced

Status & sources

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

Same genus Ctenochaetus

More from the family Acanthuridae

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