Enneapterygius Altipinnis
📖 Overview
Enneapterygius Altipinnis (Enneapterygius altipinnis) is a ray-finned fish of the family Tripterygiidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 2 cm. It occurs at depths between 2 and 3 metres. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 16; Dorsal soft rays (total): 8 - 10; Anal spines: 1; Anal soft rays: 15 - 18. This species is distinguished by the following characters: first dorsal fin is tall; the crescent-shaped supraoccipital sensory canal; white to yellowish band across the posterior portion of second dorsal fin, the continuing to lateral line; further, with D III + XII-XIII + 8-10 (usually III + XII + 8 or 9, rarely 10); A I,15-18 (rarely 15, usually 17); pectoral-fin 14, with all rays simple; lateral line with 10-12 (usually 12) pored scales, 21-23 (usually 21) notched scales and total lateral scales 27-28; dentary pores 2 + 1 or 2 + 2, usually 2 + 2 + 2; head 3.3-4.0 [3.5] in SL; eye 2.6-3.2 [3.0] in HL: head, chest and pectoral-fin base are naked; nape scaled; abdomen naked, but scales extend to base of dorsal and anal fins; a row of scales at base of caudal fin; supratemporal sensory canal is crescent-shaped; supraorbital cirrus a rounded, flat ‘paddle’, its length about equal to pupil diameter; the first dorsal fin higher than second in adult males, while equal to slightly higher in females and in juveniles; the longest pectoral-fin ray reaches junction between second and third dorsal fins; longest pelvic-fin ray reaches first anal-fin ray in some individuals .Cross section: oval.
🌀 Behaviour
Behavioural data for Enneapterygius Altipinnis is currently being reviewed.
🦐 Diet
Diet information for Enneapterygius Altipinnis is currently being compiled.
🥚 Reproduction
Reproduction data for Enneapterygius Altipinnis is currently being compiled.
🌍 Habitat & Distribution
Marine; reef-associated; depth range 2 - 3 m . Tropical Indian Ocean: Red Sea endemic.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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