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Finelined squirrelfish (Sargocentron microstoma) — Holocentridae

Finelined squirrelfish

Sargocentron microstoma
Family: Holocentridae
LC · Least Concern

The Finelined squirrelfish (Sargocentron microstoma) is a saltwater fish of the family Holocentridae that grows up to 20 cm.

Length
20 cm
Water
Saltwater
Depth
0.0–183.0 m
Diet
Carnivore
Behaviour
Small groups
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Venomous / poisonous
Range
Indo-Pacific; all zones of the coral reef.
Edibility
Rarely eaten

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Description

The smallmouth squirrelfish is a squirrelfish (Holocentridae) from the Indo-Pacific. The species has a red-and-white striped body with large eyes and a relatively small mouth, to which the name refers. It inhabits virtually all zones of the coral reef and stays benthopelagically in or near crevices and holes, often in thickets of staghorn Acropora or large coral heads. By day it shelters; at night it forages on crustaceans and small invertebrates. The sharp spine on the gill cover can give a painful cut if handled.

Frequently asked questions

How do you recognise the Finelined squirrelfish?

The Finelined squirrelfish has a torpedo-shaped body, is mainly red-orange and shows a horizontal stripes pattern. Red-and-white striped with a small mouth; shelters in Acropora thickets; sharp opercular spine.

Where does the Finelined squirrelfish live?

The Finelined squirrelfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Indo-Pacific; all zones of the coral reef.

How big does the Finelined squirrelfish get?

The Finelined squirrelfish grows to a maximum of about 20 cm.

Is the Finelined squirrelfish dangerous to humans?

The Finelined squirrelfish is venomous — handle spines with care and seek medical help after a sting if needed. The sharp spine on the gill cover (preoperculum) can give a painful cut if handled. Clean the wound and seek medical care if it becomes infected.

Is the Finelined squirrelfish edible?

The Finelined squirrelfish is rarely eaten.

More photos

Finelined squirrelfish (Sargocentron microstoma) — Holocentridae — 2
Williams, Jeffrey T. (CC0 1.0) via GBIF — USNM
Finelined squirrelfish (Sargocentron microstoma) — Holocentridae — 3
Williams, Jeffrey T. (CC0 1.0) via GBIF — USNM
Finelined squirrelfish (Sargocentron microstoma) — Holocentridae — 4
iNaturalist ((c) Martin Holladay, some rights reserved (CC BY-NC))
Finelined squirrelfish (Sargocentron microstoma) — Holocentridae — 5
iNaturalist ((c) Mark Rosenstein, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Finelined squirrelfish verified
Scientific name
Sargocentron microstoma
Family
Holocentridae
Other names
Finelined squirrelfish; Fine-lined squirrelfish; Silver squirrelfish; Slender squirrelfish; Small mouth squirrel fish; Smallmouth squirrelfish verified

Appearance

Size class
Medium verified
Max length (cm)
20.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Red / orange inferred
Pattern
Horizontal stripes inferred
Tail shape
Forked inferred
Mouth position
Superior (upward) inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
183.0 verified
Natural range
Indo-Pacific; all zones of the coral reef. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Crustaceans and small invertebrates sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Nocturnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Red-and-white striped with a small mouth; shelters in Acropora thickets; sharp opercular spine. sourced

For anglers

Edibility
Rarely 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
Venomous / poisonous sourced
First aid
The sharp spine on the gill cover (preoperculum) can give a painful cut if handled. Clean the wound and seek medical care if it becomes infected. sourced

Status & sources

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

Same genus Sargocentron

More from the family Holocentridae

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