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Ovalentaria/misc (Various families in series Ovalentaria) >
Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); to the very elongate upper jaw of the type species of the genus, Opistognathus nigromarginatus (Ref. 128653); reticeps: Name from Latin words 'rete' for net, and 'ceps' for head, referring to the reticulated dorsum of the head, its distinguishing feature; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 2 - 29 m (Ref. 76827). Tropical
Western Pacific: Australia,
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.7 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 12; Dorsal soft rays (total): 15 - 16; Anal spines: 2; Anal soft rays: 13 - 14; Vertebrae: 31. This species is distinguished by having a dorsal fin with 4 dark blotches, the first 2 extending onto distal half of fin; dorsum of head is reticulated; lateral line terminus below verticals from 10th spine to 3rd segmented dorsal-fin ray (Ref. 76827).
Body shape (shape guide): elongated.
Benthic species which occurs inshore (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Smith-Vaniz, W.F., 2004. Descriptions of six new species of jawfishes (Opistognathidae: Opistognathus) from Australia. Rec. Aust. Mus. 56:209-224. (Ref. 76827)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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