Roundhead soldierfish
📖 Overview
Roundhead soldierfish (Ostichthys convexus) is a ray-finned fish of the family Holocentridae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 16.4 cm. It occurs at depths between 116 and 129 metres. With a trophic level of 3.8, it is a mid-level predator.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 12; Dorsal soft rays (total): 13; Anal spines: 4; Anal soft rays: 11. This species is distinguished by the following characters: 3½ scales above lateral line to middle of spinous portion of dorsal fin; anterior nasal bone without a spine extending beyond median upper lip; absence of a spine at corner of preoperculum; lateral-line scales 28-29; height of suborbital bone below center of eye about 1/4-1/3 of eye diameter; the last dorsal-fin spine is shorter than penultimate spine; pectoral-fin rays 16-17; lower gill rakers 13 including rudiments; opercular scale rows 4; distance from lower edge of maxilla to top of eye 1.6 in HL; length of third anal-fin spine 2.6 in HL; when fresh, colour pinkish red on dorsal half of head and body, ventral half silvery .: short and / or deep; Cross section: compressed.
🌀 Behaviour
Behavioural data for Roundhead soldierfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; pelagic-neritic; depth range 116 - 129 m . Tropical Indian Ocean: Myanmar.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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