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

🌊 Marine 🌡️ Tropical

Yellow-belly damsel

Plectroglyphidodon flaviventris Allen & Randall, 1974
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
5–18 m
Climate
Tropical
Resilience
High
Vulnerability
18.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults occur in outer reef slopes and passages, usually associated with the coral Pocillopora, generally with three to five individuals per coral head . Feeds on benthic algaes . Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs . Diurnal species.

Scientific Name
Plectroglyphidodon flaviventris
Authority
Allen & Randall, 1974
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
Max Length
7 cm
Depth Range
5–18 m
Resilience
High
Vulnerability
18.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 18 - 19; Anal spines: 2; Anal soft rays: 15 - 16. : short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Yellow-belly 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 - 18 m . Tropical Central Pacific: Tuamoto Island, French Polynesia and New Caledonia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Food Items

benthic algaes (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L2.99 (TL)
Max TL
7cm
Dorsal Spines
12
Dorsal Rays
19
Anal Spines
2
Anal Rays
16

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Allen & Randall, 1974

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Yellow-belly 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Spotted incorrect or outdated data?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.