Yellowfin jawfish
📖 Overview
Yellowfin jawfish (Opistognathus flavidus), first described by Vaniz, 2023 is a small fish in the family Opistognathidae (order Perciformes). Adults typically reach 7.10 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 110 to 117 metres. It occurs in Subtropical 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
Dorsal spines (total): 11; Dorsal soft rays (total): 11; Anal spines: 2; Anal soft rays: 10; Vertebrae: 26. This species is distinguished from its congeners by the following set of characters: rigid upper jaw lacking flexible lamina posteriorly, extending about 0.7 to 0.8 eye diameters behind posterior Opistognathus having a margin of orbit; infraorbitals moderately robust and tubular, 3rd infraorbital large with 3rd infraorbital larger with, 3rd infraorbital larger with short posterolateral arm ending in a sensory pore, suborbital shelf absent; D XI, 11; A II, 10; vertebrae 10+16; gill rakers 9-10+20-21 = 30-32; all fins mostly uniformly pigmented (except dorsal fin with very narrow grey or blue proximal stripe) .: elongated; Cross section: compressed.
🌀 Behaviour
Behavioural data for Yellowfin jawfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; demersal; depth range 110 - 117 m . Subtropical Northwest Pacific: South Korea, Japan, and Taiwan.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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