Home · Caesionidae · Fusilier
Fusilier (Caesio xanthonota) — Caesionidae

Fusilier

Caesio xanthonota
Family: Caesionidae
LC · Least Concern

The Fusilier (Caesio xanthonota) is a saltwater fish of the family Caesionidae that grows up to 40 cm.

Length
40 cm
Water
Saltwater
Depth
0.0–50.0 m
Diet
Carnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Stone or rock
Danger
Harmless
Range
Indo-West Pacific
Edibility
Commonly eaten

Want the complete picture on the Fusilier?

Get the app

Description

The yellowback fusilier is a fusilier from the Indo-West Pacific, from East Africa and the Maldives to Indonesia. The species grows to about 40 cm and has a streamlined blue body with a broad yellow field running from the head over the whole back into the tail. By day it forms large, fast schools above coral reefs and in open water, where it catches zooplankton from the current. It is a valued food and bait fish. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Fusilier?

The Fusilier has a torpedo-shaped body, is mainly blue and shows a plain pattern. Broad yellow dorsal field; forms large fast plankton-feeding shoals above the reef

Where does the Fusilier live?

The Fusilier lives in the sea (marine waters) and is mostly found around stony or rocky ground. Indo-West Pacific

How big does the Fusilier get?

The Fusilier grows to a maximum of about 40 cm.

Is the Fusilier dangerous to humans?

No, the Fusilier 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 Fusilier edible?

Yes, the Fusilier is commonly eaten.

More photos

Fusilier (Caesio xanthonota) — Caesionidae — 2
iNaturalist ((c) Ben Costamagna, some rights reserved (CC BY))
Fusilier (Caesio xanthonota) — Caesionidae — 3
iNaturalist ((c) cmmteixeira, some rights reserved (CC BY-NC))
Fusilier (Caesio xanthonota) — Caesionidae — 4
Ben Costamagna (CC BY 4.0) via GBIF — iNaturalist
Fusilier (Caesio xanthonota) — Caesionidae — 5
iNaturalist ((c) Francois Libert, some rights reserved (CC BY-NC))
Fin

Want the complete picture on the Fusilier?

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

Get the app →

All data

Identification

English name
Fusilier verified
Scientific name
Caesio xanthonota
Family
Caesionidae
Other names
Yellowback fusilier; Yellowfin fusilier; Yellow-back fusilier verified

Appearance

Size class
Medium verified
Max length (cm)
40.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Blue inferred
Pattern
Plain sourced
Tail shape
Forked 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)
50.0 verified
Natural range
Indo-West Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Zooplankton inferred
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Plankton-eating schooling fusilier; present year-round. sourced
Special features
Broad yellow dorsal field; forms large fast plankton-feeding shoals above the reef sourced

For anglers

Edibility
Commonly 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 Caesio

More from the family Caesionidae

Fin

Want the complete picture on the Fusilier?

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

Get the app →
Is this the Fusilier? Get the app