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

🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Dark-margin Chromis

Chromis hangganan Arango, Pinheiro, Rocha, Greene, Pyle, Copus, Shepherd & Rocha, 2019
Max Length
5.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
90–130 m
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Dark-margin Chromis (Chromis hangganan) is a ray-finned fish of the family Pomacentridae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 5.8 cm. It occurs at depths between 90 and 130 metres. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Chromis hangganan
Authority
Arango, Pinheiro, Rocha, Greene, Pyle, Copus, Shepherd & Rocha, 2019
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
5.8 cm
Depth Range
90–130 m
Trophic Level
3
Resilience
High
Vulnerability
15.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 13; Dorsal soft rays (total): 10 - 12; Anal spines: 2; Anal soft rays: 11 - 12; Vertebrae: 25. This species is distinguished from its congeners by the following characters: D XIII,10-12; A II,11-12; pectoral-fin rays 18; procurrent caudal-fin rays 3; tubed lateral-line scales 16; gill rakers 7 + 16-19 (= 23-26); body depth 1.9-2.0 in SL. Colour of adults when fresh yellowish with dark black margins on dorsal and anal fins .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Dark-margin Chromis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; reef-associated; depth range 90 - 130 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.0182 × L3 (TL)
Max TL
5.8cm
Dorsal Spines
13
Dorsal Rays
11
Anal Spines
2
Anal Rays
12
Vertebrae
25

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Arango, Pinheiro, Rocha, Greene, Pyle, Copus, Shepherd & Rocha, 2019

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Dark-margin Chromis ↗
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.