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🌊 Marine 🌡️ Tropical

Emery's gregory

Plectroglyphidodon emeryi Allen & Randall, 1974
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
1–18 m
Climate
Tropical
Resilience
High
Vulnerability
21.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults inhabit outer rocky and coral reefs . Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .

Scientific Name
Plectroglyphidodon emeryi
Authority
Allen & Randall, 1974
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
Max Length
10 cm
Depth Range
1–18 m
Resilience
High
Vulnerability
21.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 13; Dorsal soft rays (total): 15 - 17; Anal spines: 2; Anal soft rays: 13 - 14. Most of the body and head is brown, grading to pale tan or off-white on ventral portion; slight suffusion of yellow on head and nape; dark brown streak near margin of each scale, appearing as series of narrow transverse bands. A prominent dark brown to blackish spot occupying four scales is below the 15-16th tubed lateral line scale. The fins, most of soft dorsal, caudal peduncle and posteriormost part of body yellow; pectorals transparent with suffusion of yellow and a small dark brown spot superiorly at pectoral fin base. The rim of the anal opening is dark brown.: short and / or deep; Cross section: oval.

🌀 Behaviour

Behavioural data for Emery's gregory is currently being reviewed.

🦐 Diet

Diet information for Emery's gregory 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 1 - 18 m . Tropical; 10°S - 27°S Central Pacific: Pitcairn and Tuamoto Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L2.99 (TL)
Max TL
10cm
Dorsal Spines
13
Dorsal Rays
16
Anal Spines
2
Anal Rays
14

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Allen & Randall, 1974

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