Home · Pomacentridae · Yellowtail sergeant
Yellowtail sergeant (Abudefduf notatus) — Pomacentridae

Yellowtail sergeant

Abudefduf notatus
Family: Pomacentridae

The Yellowtail sergeant (Abudefduf notatus) is a saltwater fish of the family Pomacentridae that grows up to 17 cm.

Length
17 cm
Water
Saltwater
Depth
1.0–12.0 m
Diet
Omnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless

Description

The yellowtail sergeant is a damselfish (Pomacentridae) from the Indo-West Pacific. The species grows to about 17 cm and has a grey-green, laterally compressed body with five narrow dark crossbars and a yellowish tinge on the tail region. As a reef-dweller it lives in groups around shallow rocky and coral reefs and eats algae, zooplankton and small bottom life. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Yellowtail sergeant?

The Yellowtail sergeant has a flattened, disc-shaped body, is mainly green and shows a vertical stripes pattern.

Where does the Yellowtail sergeant live?

The Yellowtail sergeant lives in the sea (marine waters) and is mostly found around stony or rocky ground.

How big does the Yellowtail sergeant get?

The Yellowtail sergeant grows to a maximum of about 17 cm.

Is the Yellowtail sergeant dangerous to humans?

No, the Yellowtail sergeant is harmless to humans.

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →

All data

Identification

Dutch name
Geelstaart-sergeant sourced
English name
Yellowtail sergeant sourced
Scientific name
Abudefduf notatus
Family
Pomacentridae
Other names
Demoiselle; Dusky damsel; Sergeant-major; Yellowtail sergeant verified

Appearance

Size class
Medium verified
Max length (cm)
17.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Green sourced
Pattern
Vertical bars sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
1.0 verified
Max depth (m)
12.0 verified
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Social behaviour
Small groups sourced
Territorial
Yes inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Fishing method
Vissen met natuurlijk aas (vis, garnaal, worm) of kunstaas dicht bij rif- en rotsstructuren. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

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

Same genus Abudefduf

More from the family Pomacentridae

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →