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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Subtropical

Multispine damselfish

Neoglyphidodon polyacanthus Ogilby, 1889
Max Length
12 cm
Max Weight
-
Lifespan
-
Trophic Level
2.7
Depth
2–30 m
Climate
Subtropical
Resilience
High
Vulnerability
28.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults occur outside the lagoon, usually in deeper surge channels on the leeward side of reefs in the Capricorn Group, Queensland, Australia. Ubiquitous at Lord Howe Island . Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs . Close relative of N. mitratus . Diurnal species.

Scientific Name
Neoglyphidodon polyacanthus
Authority
Ogilby, 1889
Habitat
Marine
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
12 cm
Depth Range
2–30 m
Trophic Level
2.7
Resilience
High
Vulnerability
28.00/100
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: 13 - 14. : short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Multispine damselfish 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 2 - 30 m . Subtropical; 17°S - 27°S

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
2.7±0.31

📐 Morphometrics

Length–Weight Relationship: W = 0.02455 × L3.02 (TL)
Max TL
12cm
Dorsal Spines
14
Dorsal Rays
14
Anal Spines
2
Anal Rays
14

🌡️ 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
28.00/100
Low vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Subtropical
Described By
Ogilby, 1889

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