Enneapterygius Obscurus

📖 Overview

Adults inhabit bays and lagoons, on vertical walls of seaward reefs, coral and rocky areas, 2-22 m . Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites . Larvae are planktonic which occur primarily in shallow, nearshore waters .

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 16 - 18. Diagnosis: Dorsal fins III + XII-XIV + 9-10; anal fin I, 16-18 (usually 17-18 rays); pectoral fin 14-15: 3-4 + 5 + 6. LL, pored scales10-12, notched scales 21-22, starting at 2 scale rows below the end of the pored series; transverse scales 1/4; nape with scales, abdomen scaleless, single row of scales at base of pectoral fin. Body moderately slender, depth 6.0-6.5 in SL. Dentary pores 2 + 2 + 2 ; head 3.2-4.0 (usually 3.6) in SL; eye 2.8-2.6 (usually 2.5) in head length; orbital margin serrated; supratemporal sensory canal crescent-shaped; supraorbital cirrus elongated flap, about the size of pupil; orbital cirrus bilobed and moderately long, about half the diameter of pupil; mouth low, cleft nearly horizontal, lower lips with prominent labial folds; head profile rounded. First dorsal fin about equal in height to second; pelvic-fin rays not membrane bound or may be united for half the length of the shorter ray. Key features are: live color translucent red; caudal peduncle with small, intense black spot on upper part; first dorsal fin anterior brownish, posterior with spots white .: fusiform / normal.

🌀 Behaviour

Behavioural data for Enneapterygius Obscurus is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; demersal; depth range 2 - 22 m . Tropical Indian Ocean: Red Sea.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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