Eyespottail jawfish

📖 Overview

Eyespottail jawfish (Opistognathus ocellicaudatus) is a ray-finned fish of the family Opistognathidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 6.9 cm. 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 by the following characters: a rigid upper jaw lacking a flexible lamina posteriorly; D XI,11; A II,11; vertebrae 10 + 16; scale rows in horizontal series 42; lateral-line terminus below segmented dorsal-fin rays 2-3; gill rakers 11 + 23; spinous dorsal fin with a large blackish blotch between spines 3-7 and soft dorsal fin with two ocellated blotches ringed by white on proximal half of fin, the first brown and between rays 1-6 and the second black and between rays 9-11; distal third of the soft dorsal and anal fins yellow; head uniformly brown; with a small black blotch on opercular flap; caudal-fin base black followed posteriorly by white vertical band continuous with large dark ocellus ringed by white on middle of fin, the rest of the fin yellow; pelvic fin is yellow .Cross section: oval.

🌀 Behaviour

Behavioural data for Eyespottail jawfish is currently being reviewed.

🦐 Diet

Diet information for Eyespottail jawfish is currently being compiled.

🥚 Reproduction

Reproduction data for Eyespottail jawfish is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range ? - 97 m . Subtropical Northwest Pacific: Japan.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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