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🌊 Marine 🌡️ Tropical

Northern rock flathead

Cymbacephalus staigeri Castelnau, 1875
Max Length
50 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
38.00/100
Typical Length
40 cm
Depth Zone
demersal

📖 Overview

Found on the continental shelf, inshore region . Apparently associated with aquatic vegetation. Has been taken by trawl at depths from 15 to 46 m, frequently found at depths of 10 m or less .

Scientific Name
Cymbacephalus staigeri
Authority
Castelnau, 1875
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
Max Length
50 cm
Trophic Level
3.9
Resilience
Medium
Vulnerability
38.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 0; Anal soft rays: 11. A prominent pit present behind upper eye. Preopercular spines short, two subequal. Infraorbital ridge smooth over most eye, with a few short spines posteriorly. No dermal papillae on upper eye. Dorsal fin IX or I, VIII.: elongated.

🌀 Behaviour

Behavioural data for Northern rock flathead 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; demersal; non-migratory; depth range ? - 46 m , usually ? - 10 m . Tropical Central Pacific: Christmas Island to northern Queensland, Gulf of Carpentaria, Darwin, Shark Bay, Australia and Port Moresby, Papua New Guinea.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.9±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.09 (TL)
Max TL
50cm
Dorsal Spines
9
Dorsal Rays
11
Anal Rays
11

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
38.00/100
Moderate vulnerability
Trophic Level
3.9
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Castelnau, 1875

👥 Community & Contribute

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