Shortjaw soldierfish

📖 Overview

Shortjaw soldierfish (Ostichthys brachygnathus), first described by Randall & Myers, 1993 is a medium-sized fish in the family Holocentridae (order Holocentriformes). Adults typically reach 15.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. 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 Data Deficient.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 12; Anal spines: 5; Anal soft rays: 9. This species is distinguished by the following characters: 2½ scales above lateral line to midbase of spinous portion of dorsal fin; origin of anal fin is beneath soft portion of dorsal fin; upper procurrent spiniform caudal-fin rays 5 and lower rays 4; D XII,12, last spine shortest; A V,9 (holotype appears aberrant in having a fifth anal-fin spine); pectoral-fin rays 16; patch of teeth on vomer V-shaped; head length 2.45 in SL; dorsal profile of head nearly straight, becoming slightly convex on nape; lateral-line scales 27; gill rakers 8 + 15; maxilla not reaching a vertical at posterior margin of orbit; depth of body 2.35 in SL; snout length 4.45 in HL; caudal peduncle very slender 5.05 in HL; colour when fresh is solid red, the centers of scales lighter red than edges .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Shortjaw soldierfish is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; reef-associated; depth range 230 - ? m . Tropical Central Pacific: Guam to Saipan.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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