Home · Holocentridae · Bastard soldierfish
Bastard soldierfish (Myripristis jacobus) — Holocentridae

Bastard soldierfish

Myripristis jacobus
Family: Holocentridae
LC · Least Concern

The Bastard soldierfish (Myripristis jacobus) is a saltwater fish of the family Holocentridae that grows up to 25 cm.

Length
25 cm
Water
Saltwater
Depth
0.0–210.0 m
Diet
Carnivore
Behaviour
Large groups
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Coral reefs of the Atlantic Ocean.
Edibility
Rarely eaten

Want the complete picture on the Bastard soldierfish?

Get the app

Description

The blackbar soldierfish (Myripristis jacobus) is a squirrel- or soldierfish of the family Holocentridae from the Atlantic. The species has a stocky, bright-red body with a conspicuous dark bar behind the gill cover, large eyes and strong fin spines, and reaches about 25 cm. It is nocturnal and by day shelters in schools in caves and crevices of shallow and deeper coral reefs; at night it swims out to pick zooplankton from the water. The large eyes aid its nocturnal life. The species is of limited commercial importance and is sometimes kept in marine aquaria.

Frequently asked questions

How do you recognise the Bastard soldierfish?

The Bastard soldierfish has a torpedo-shaped body, is mainly red-orange and shows a plain pattern. Bright red with a dark band behind the operculum; nocturnal plankton feeder with large eyes.

Where does the Bastard soldierfish live?

The Bastard soldierfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Coral reefs of the Atlantic Ocean.

How big does the Bastard soldierfish get?

The Bastard soldierfish grows to a maximum of about 25 cm. On average the species is around 20 cm.

Is the Bastard soldierfish dangerous to humans?

No, the Bastard soldierfish 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 Bastard soldierfish edible?

The Bastard soldierfish is rarely eaten.

More photos

Bastard soldierfish (Myripristis jacobus) — Holocentridae — 2
Wikimedia Commons — Williams, J. T.; Carpenter, K. E.; Van Tassell, J. L.; Hoetjes, P.; Toller, W.; Etnoyer, P.; Smith, M. (CC BY 2.5)
Bastard soldierfish (Myripristis jacobus) — Holocentridae — 3
Wikimedia Commons — http://www.photolib.noaa.gov/nurp/nur00515.htm (Public domain)
Bastard soldierfish (Myripristis jacobus) — Holocentridae — 4
Wikimedia Commons — The original uploader was Aquaimages at English Wikipedia. (CC BY-SA 2.5)
Bastard soldierfish (Myripristis jacobus) — Holocentridae — 5
iNaturalist ((c) Ark, some rights reserved (CC BY-NC))
Fin

Want the complete picture on the Bastard soldierfish?

Point your camera at the fish and Fin names the species in seconds. Free, and the Bastard soldierfish is one of 12,519 species in the app.

Get the app →

All data

Identification

English name
Bastard soldierfish verified
Scientific name
Myripristis jacobus
Family
Holocentridae
Other names
Bigeye squirrelfish; Big-eyed squirrelfish; Blackbar soldierfish; Blackbar Soldierfish; Brother Jim; Buffalohead; Chinaman; Roundhead; Roundhead conga; Softback soldier; Softback soldierfish; Squirrelfish verified

Appearance

Size class
Medium verified
Max length (cm)
25.0 verified
Average length (cm)
20.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Red / orange inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No 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)
210.0 verified
Natural range
Coral reefs of the Atlantic Ocean. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Zooplankton sourced
Social behaviour
Large 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
Bright red with a dark band behind the operculum; nocturnal plankton feeder with large eyes. 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
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 Myripristis

More from the family Holocentridae

Fin

Want the complete picture on the Bastard soldierfish?

Point your camera at the fish and Fin names the species in seconds. Free, and the Bastard soldierfish is one of 12,519 species in the app.

Get the app →
Is this the Bastard soldierfish? Get the app