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Alexander's damsel (Pomacentrus alexanderae) — Pomacentridae

Alexander's damsel

Pomacentrus alexanderae
Family: Pomacentridae
LC · Least Concern

The Alexander's damsel (Pomacentrus alexanderae) is a saltwater fish of the family Pomacentridae that grows up to 9 cm.

Length
9 cm
Water
Saltwater
Depth
5.0–60.0 m
Diet
Omnivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless
Edibility
Not eaten

Description

Alexander's damsel is a small reef fish from the western Pacific, ranging from the Indo-Malayan Archipelago to the Moluccas and the Mentawai Islands, north to Taiwan and the Ryukyu Islands. The species grows to about 9 cm and has a deep, laterally compressed, bluish-grey body with a yellowish belly. It lives on coral reefs between 5 and 60 metres depth, often solitary and hovering above the bottom, and feeds on algae, zooplankton, fish eggs and small snails. The eggs are laid on the substrate and guarded by the male. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Alexander's damsel?

The Alexander's damsel has a flattened, disc-shaped body, is mainly blue and shows a plain pattern.

Where does the Alexander's damsel live?

The Alexander's damsel lives in the sea (marine waters) and is mostly found around stony or rocky ground.

How big does the Alexander's damsel get?

The Alexander's damsel grows to a maximum of about 9 cm.

Is the Alexander's damsel dangerous to humans?

No, the Alexander's damsel is harmless to humans.

Is the Alexander's damsel edible?

The Alexander's damsel is not usually eaten.

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All data

Identification

Dutch name
Alexanders juffervis verified
English name
Alexander's damsel verified
Scientific name
Pomacentrus alexanderae
Family
Pomacentridae
Other names
Alexander's damsel; Alexander's damselfish; Alex's damsel verified

Appearance

Size class
Small verified
Max length (cm)
9.0 verified
Body shape
Flat / disc-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)
5.0 verified
Max depth (m)
60.0 verified
Origin
Native verified

Behaviour & biology

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

For anglers

Edibility
Not eaten sourced
Fishing method
Geen doelsoort voor de hengelsport; hooguit incidentele vangst of bruikbaar als aasvisje. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

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

Same genus Pomacentrus

More from the family Pomacentridae

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