Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); castelnaui: Named for the French diplomat and ichthyologist Francis-Louis de Castelnau (1812-1880).. More on author: Bleeker.

Environment / Climate / Range Ecology

Marine; demersal; depth range 20 - 100 m (Ref. 559). Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-West Pacific: widespread including the Ryukyu Islands, South China Sea and Indonesia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 25.0 cm SL male/unsexed; (Ref. 559)

Short description Morphology | Morphometrics

Dorsal spines (total): 11; Dorsal soft rays (total): 14; Anal spines: 3; Anal soft rays: 14. This species is distinguished by the following characters: elongated supramaxilla and posterior end of maxilla produced as a thin flexible lamina; upper jaw's inner lining and adjacent membranes with one or two conspicuous black stripes; dorsal half of dorsal fin usually dark except for narrow pale margin, remainder of fin pale and often with 8 or 9 evenly spaced dark blotches that extend onto basal fourth to third of fin and slightly onto dorsum; D XI,14; body with about 90-11 0 oblique scale rows; total gill rakers 28-35 (Ref. 81517).

Inhabits open sand and rubble substrates in about 20-25 meters (Ref. 48637). May be found in depths greater than 100 m (Ref. 559). Mouthbrooders (Ref. 240).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Employ mouthbrooding to care for their young (Ref. 240).

Main reference Upload your references | References | Coordinator | Collaborators

Kailola, P.J., 1987. The fishes of Papua New Guinea: a revised and annotated checklist. Vol. II Scorpaenidae to Callionymidae. Research Bulletin No. 41, Research Section, Dept. of Fisheries and Marine Resources, Papua New Guinea. (Ref. 6192)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

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Internet sources

Opistognathus castelnaui Bleeker, 1860