Bigeye jawfish

📖 Overview

Bigeye jawfish (Opistognathus megalops) is a ray-finned fish of the family Opistognathidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 8.8 cm. It occurs at depths between 103 and 107 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 11; Anal spines: 2; Anal soft rays: 11; Vertebrae: 26. This species is distinguished from its congeners by the following set of characters: elongate upper jaw extending to rear margin of preopercle (about 1.1 eye diameters behind posterior margin of orbit) and with large oval supramaxilla and flexible lamina posteriorly; infraorbitals moderately slender and tubular, 3rd infraorbital with posterolateral projecting arm ending with large sensory canal opening, suborbital shelf absent; D XI, 11; A II, 11; vertebrae 10+16; scale rows in horizontal series about 52 or 56; gill rakers 12+26; anal, caudal and pelvic fins mostly yellow and body with three purple stripes .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Bigeye jawfish is currently being reviewed.

🦐 Diet

Diet information for Bigeye jawfish is currently being compiled.

🥚 Reproduction

Reproduction data for Bigeye jawfish is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 103 - 107 m . Subtropical Northwest Pacific: Japan.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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