New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Australian damsel

Pomacentrus australis Allen & Robertson, 1974
Max Length
8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.7
Depth
5–35 m
Climate
Tropical
Resilience
High
Vulnerability
17.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults inhabit lagoon and outer reef environments at One Tree Island, GBR in Australia. Found solitarily or in small groups in open sandy or rubble areas with occasional coral outcrops. Feed primarily on algae . Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .

Scientific Name
Pomacentrus australis
Authority
Allen & Robertson, 1974
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
8 cm
Depth Range
5–35 m
Trophic Level
2.7
Resilience
High
Vulnerability
17.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 14; Dorsal soft rays (total): 13 - 14; Anal spines: 2; Anal soft rays: 14 - 15. : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Australian damsel is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawn Location
Demersal

Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .

🌍 Habitat & Distribution

Marine; reef-associated; non-migratory; depth range 5 - 35 m . Tropical South Wales, to the vicinity of Sydney, Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
2.7±0.3
Food Items

algae (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L3 (TL)
Max TL
8cm
Dorsal Spines
14
Dorsal Rays
14
Anal Spines
2
Anal Rays
15

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Allen & Robertson, 1974

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Australian damsel ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.