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Razor surgeonfish (Prionurus laticlavius) — Acanthuridae

Razor surgeonfish

Prionurus laticlavius
Family: Acanthuridae

The Razor surgeonfish (Prionurus laticlavius) is a saltwater fish of the family Acanthuridae that grows up to 60 cm.

Length
60 cm
Water
Saltwater
Depth
3.0–30.0 m
Diet
Herbivore
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Can cause injury
Range
South America: Colombia, Costa Rica, Ecuador, Galapagos Is., Panama, Peru and others
Edibility
Commonly eaten

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Description

The Razor surgeonfish is a sawtail surgeonfish (Acanthuridae) from the eastern Pacific, around the Galapagos. The species grows to about 60 cm and has a deep, grey body. The grey body has a yellow tail and a row of black keel-plates before the tail. On each side of the tail base sits a row of sharp, fixed bony keel-plates that can inflict a cut; handle with care. As a reef-dweller it grazes algae.

Frequently asked questions

How do you recognise the Razor surgeonfish?

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

Where does the Razor surgeonfish live?

The Razor surgeonfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. South America: Colombia, Costa Rica, Ecuador, Galapagos Is., Panama, Peru and others

How big does the Razor surgeonfish get?

The Razor surgeonfish grows to a maximum of about 60 cm. On average the species is around 25 cm.

Is the Razor surgeonfish dangerous to humans?

The Razor surgeonfish can cause injury; handle it with care. Never grab a live sawtail surgeonfish by the tail; sharp, fixed bony keel-plates sit 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 Razor surgeonfish edible?

Yes, the Razor surgeonfish is commonly eaten.

More photos

Razor surgeonfish (Prionurus laticlavius) — Acanthuridae — 2
Wikimedia Commons — LASZLO ILYES from Cleveland, Ohio, USA (CC BY 2.0)
Razor surgeonfish (Prionurus laticlavius) — Acanthuridae — 3
iNaturalist ((c) argopecten, some rights reserved (CC BY-NC))
Razor surgeonfish (Prionurus laticlavius) — Acanthuridae — 4
Wikimedia Commons — Derek Keats (CC BY 2.5)
Razor surgeonfish (Prionurus laticlavius) — Acanthuridae — 5
csmitelli (CC BY-NC 4.0) via GBIF — iNaturalist
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All data

Identification

English name
Razor surgeonfish sourced
Scientific name
Prionurus laticlavius
Family
Acanthuridae
Other names
Razor surgeonfish verified

Appearance

Size class
Large verified
Max length (cm)
60.0 verified
Average length (cm)
25.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Crescent (lunate) inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
3.0 verified
Max depth (m)
30.0 verified
Natural range
South America: Colombia, Costa Rica, Ecuador, Galapagos Is., Panama, Peru 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 sawtail surgeonfish by the tail; sharp, fixed bony keel-plates sit 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 Prionurus

More from the family Acanthuridae

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