Coastal trevally

📖 Overview

Adults are found in deep coastal reefs and rarely inshore (Ref 3197). They are usually in small groups over sand bottoms near reefs .

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 20 - 23; Anal spines: 3; Anal soft rays: 16 - 20. This species is distinguished by the following characters: D1 VII-VIII, D2 I,20-23 (usually 22 or 23); lobe of second dorsal fin filamentous in young, becoming shorter with age, in mature adults distinctly shorter than head length (larger than 25 cm fork length, height of second dorsal-fin lobe usually shorter than head length, and slightly to distinctly shorter than anal-fin lobe); A II + I,16-20; gill rakers including rudiments 5-8 + 15-19 = 21-27; straight part of lateral line with 16-20 scutes, and 31 to 50 total elements (including anterior scales); breast naked ventrally to distinctly behind origin of pelvic fins; laterally, naked area of breast typically extends diagonally to naked base of pectoral fins (rarely, naked areas of breast and pectoral-fin base interrupted laterally by a narrow band of scales); jaws with bands of villiform teeth, the bands widest anteriorly; in life, bluish green above, silvery grey below; sides with numerous, small yellow spots and a small black blotch on upper margin of opercle; second dorsal, anal, and caudal fins dusky, the latter sometimes yellowish; pectoral fins pale yellow; pelvic fins hyaline to pale grey ; often with 5 diffuse dark bars . : short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Coastal trevally is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 60 m . Tropical; 30°N - 37°S, 19°E - 167°W West Pacific: East Africa to Samoa (Ref.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🎣 Angling Guide

📊 Population Dynamics

🐠 Related Species

👥 Community & Contribute