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🌊 Marine Least Concern 🌡️ Tropical

Spiny chromis

Acanthochromis polyacanthus Bleeker, 1855
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
2.7
Depth
1–65 m
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults inhabit inshore and offshore coral reefs . Also found in harbors, lagoons and outer reef slopes. The only pomacentrid species that lacks a pelagic larval stage. One of the very few marine fishes where fry are guarded by the parents . School as they grow and sub-adults are usually seen in small groups. Adults form pairs and are territorial when breeding . Monogamous . Oviparous . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .

Scientific Name
Acanthochromis polyacanthus
Authority
Bleeker, 1855
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
16 cm
Depth Range
1–65 m
Latitude
26°S – 15°N
Trophic Level
2.7
Resilience
High
Vulnerability
13.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 17; Dorsal soft rays (total): 14 - 16; Anal spines: 2; Anal soft rays: 14 - 16. : short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Spiny chromis is currently being reviewed.

🦐 Diet

Diet information for Spiny chromis is currently being compiled.

🥚 Reproduction

🐣 Oviparous
Spawn Location
Demersal

Oviparous, distinct pairing during breeding . Monogamous mating is observed as both obligate and genetic . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs . Does not have a juvenile bisexual phase and all males have the typical testicular morphology of gonochores .

🌍 Habitat & Distribution

Marine; reef-associated; non-migratory; depth range 1 - 65 m , usually 4 - 20 m . Tropical; 15°N - 26°S, 116°E - 169°E

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.03236 × L3.04 (TL)
Max TL
16cm
Dorsal Spines
17
Dorsal Rays
15
Anal Spines
2
Anal Rays
15

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
15°N – 26°S
Described By
Bleeker, 1855

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 21 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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