Lansdowne jawfish
📖 Overview
Lansdowne jawfish (Opistognathus bathyphilus), first described by Vaniz, 2023 is a small fish in the family Opistognathidae (order Perciformes). Adults typically reach 6.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 120 to 150 metres. 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): 11; Dorsal soft rays (total): 11; Anal spines: 2; Anal soft rays: 11; Vertebrae: 26. This species is distinguished by the following characters: with a rigid upper jaw lacking flexible lamina posteriorly, extending about 0.9 eye diameters behind posterior margin of orbit; infraorbitals are relatively slender and tubular, the third infraorbital with moderate posterolateral projecting arm ending with large sensory canal opening, no suborbital shelf; D XI,11; A II,11; vertebrae 10+16; gill rakers 12+25. Colouration: nape with a dark blotch slightly in advance of dorsal-fin origin; dorsum with a row of 5 dark blotches extending distinctly onto dorsal fin and the last blotch on dorsal fin at least as wide as anterior blotches .Cross section: oval.
🌀 Behaviour
Behavioural data for Lansdowne jawfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; demersal; depth range 120 - 150 m . Tropical
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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