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🌊 Marine Least Concern 🌡️ Subtropical

Coral sea gregory

Plectroglyphidodon gascoynei Whitley, 1964
Max Length
15 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
1–30 m
Climate
Subtropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

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

Scientific Name
Plectroglyphidodon gascoynei
Authority
Whitley, 1964
Habitat
Marine
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
15 cm
Depth Range
1–30 m
Resilience
High
Vulnerability
27.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 14; Dorsal soft rays (total): 14 - 16; Anal spines: 2; Anal soft rays: 13 - 14. Body and head color primarily brown, yellow-orange on ventral portion. A blue streak runs from the snout to the suborbital. Blue or purplish spots are on opercular series. Each scale with dark brown streak near its margin, appearing as series of narrow transverse bands. The dorsal is fin brown, posteriormost is somewhat translucent. The caudal fin is tan to brown, outermost part translucent to yellowish. The anal and pelvic fins yellow to orange. The pectorals are transparent with suffusion of yellow with a small dark spot superiorly at its base.: short and / or deep; Cross section: oval.

🌀 Behaviour

Behavioural data for Coral sea gregory is currently being reviewed.

🦐 Diet

Diet information for Coral sea 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 - 30 m . Subtropical; 10°S - 50°S endemic to the southern Coral Sea-northern Tasman Sea region; known in Australia, Norfolk Islands, and New Caledonia, New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L2.99 (TL)
Max TL
15cm
Dorsal Spines
14
Dorsal Rays
15
Anal Spines
2
Anal Rays
14

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Body Shape
Short and / or deep
Climate Zone
Subtropical
Described By
Whitley, 1964

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