Yang's longnose catshark

📖 Overview

Yang's longnose catshark (Apristurus yangi), first described by White, Mana & Naylor, 2017 is a large fish in the family Pentanchidae (order Carcharhiniformes). Adults typically reach 43.70 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 630 to 786 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 Least Concern.

🔬 Taxonomy

🐟 Physical Description

This long-snouted species is distinguished by the following set of characters: head long and narrow, head length 23.5-23.8% TL; interorbital space 5.8-6.7% TL; very elongate snout, preoral length 12.4-12.7% TL; preorbital length 12.6-12.9% TL; wide mouth, its width 7.9-8.6% TL; pelvic-anal space 3.2-4.0% TL; anal fin is relatively large, base length 14.9-15.4% TL; anal-fin posterior margin 11.0% TL; prepectoral length is relatively long, about 22.3-23.5% TL; labial furrows long and not confined to mouth corners, uppers 3.7-3.8% TL; absence of enlarged denticles on upper or lower caudal fin; duodenum of intestine very short, 8 intestinal spiral valves; tip of snout blackish; 32-33 monospondylous centra; 38 precaudal-diplospondylous vertebrae; precaudal centra 70-71; females mature to adult by 43.7 cm TL; egg case is small (about 5.9 cm long), with faint longitudinal striations .: elongated; Cross section: angular.

🌀 Behaviour

Behavioural data for Yang's longnose catshark is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 630 - 786 m . Tropical Central Pacific: Papua New Guinea.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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