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🌊 Marine Near Threatened 🌡️ Tropical

Blackbar devil

Plectroglyphidodon dickii Liénard, 1839
Max Length
11.6 cm
Max Weight
Lifespan
Trophic Level
3.7
Depth
0–20 m
Climate
Tropical
Resilience
High
Vulnerability
24.00/100
Typical Length
Depth Zone
reef

📖 Overview

Adults inhabit coral-rich and surge areas of clear lagoon and seaward reefs . Commonly associated with Pocillopora or Acropora corals . Feed on filamentous algae, small benthic invertebrates, and occasionally small fishes . Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs . Diurnal species.

Scientific Name
Plectroglyphidodon dickii
Authority
Liénard, 1839
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
NT
Max Length
11.6 cm
Depth Range
0–20 m
Latitude
30°S – 30°N
Trophic Level
3.7
Resilience
High
Vulnerability
24.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 16 - 18; Anal spines: 2; Anal soft rays: 14 - 16. : short and / or deep; Cross section: oval.

🌀 Behaviour

Behavioural data for Blackbar devil is currently being reviewed.

🦐 Diet

Diet information for Blackbar devil is currently being compiled.

🥚 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 0 - 20 m . Tropical; 30°N - 30°S East Africa to the Line and Tuamoto islands, north to Japan, south to Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
3.7±0.3
Food Items

filamentous algae, small benthic invertebrates, and occasionally small fishes (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.02042 × L2.98 (TL)
Max TL
11.6cm
Dorsal Spines
12
Dorsal Rays
17
Anal Spines
2
Anal Rays
15

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
3.7
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
30°N – 30°S
Described By
Liénard, 1839

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