Philippine dark velvetchin

📖 Overview

Philippine dark velvetchin (Hapalogenys filamentosus), first described by Iwatsuki & Russell, 2006 is a small fish in the family Hapalogenyidae (order Perciformes). Adults typically reach 14.90 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 30 to 80 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Data Deficient.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 14; Anal spines: 3; Anal soft rays: 9. Distinguished from other congeners by the following combination of characters: lower lip fleshy with dense cluster of very short papillae, scaly posteriorly (on posterior abdominal part of angular of lower jaws); presence of 10 unobstructed pores on and behind chin; maxilla without scales; body with 2 faint longitudinal dark stripes, 1st from nape to base of mid dorsal-fin soft rays, 2nd from eye to base of last dorsal-fin soft ray, their width below base of 5th and 6th dorsal-fin spines clearly narrower than pupil diameter in 6.5-15.8 cm SL; soft rayed portions of dorsal and anal fins somewhat rounded posteriorly and slightly angulated posteriorly, respectively; pelvic-fin tip almost reaching to or slightly beyond base of 1st anal-fin spine when depressed; pored lateral-line scales 41 or 42; a procumbent spine-like process (exposed tip of 1st pterygiophore) apparent at origin of dorsal fin but covered by predorsal scales .: short and / or deep.

🌀 Behaviour

Behavioural data for Philippine dark velvetchin is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 30 - 80 m . Tropical Central Pacific: off Iloilo Panay Island, Philippines.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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