Astronesthes Formosanus
📖 Overview
Astronesthes Formosanus (Astronesthes formosanus), first described by Liao, Chen & Shao, 2006 is a small fish in the family Stomiidae (order Stomiiformes). Adults typically reach 9.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 318 to 1129 metres. It occurs in Temperate 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 soft rays (total): 17 - 20; Anal soft rays: 13 - 15; Vertebrae: 46 - 48. This species is characterized by having the IP photophores curved rather than linear; presence of a luminous tissue prominent on gill cover between preopercle and opercle in larger specimens (SL > 50 mm), lower part more prominent than upper; posterior part of lower jaw with a pair of prominent irregular luminous tissues; moor luminous head, jaws, dorsum, and body; chin barbel long, about 0.2-0.8 times head length, increasing with fish size; terminal end of barbel slightly swollen, apical tip rounded .: elongated.
🌀 Behaviour
Behavioural data for Astronesthes Formosanus is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; bathypelagic; depth range 318 - 1129 m . Temperate Northwest Pacific: Taiwan.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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