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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); triops: Name 'triops from the Greek word 'tri' and 'ops', meaning 'three' and 'eyes', in reference to the 'third eye' formed by the characteristic ocellated spot in the spinous dorsal fin of the new species. A noun in apposition.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino demersal; rango de profundidad 12 - 32 m (Ref. 128653). Tropical
Western Central Pacific: Vanuatu and Tonga.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 4.0 cm SL macho / no sexado; (Ref. 128653)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 11; Radios blandos dorsales (total) : 17 - 18; Espinas anales: 2; Radios blandos anales: 17; Vértebra: 22 - 23. This species is distinguished from its congeners by the following set of characters: rigid upper jaw with no flexible lamina posteriorly, extending 0.6-0.7 eye diameters behind posterior margin of orbit; infraorbitals moderately slender, 2nd and 3rd infraorbitals relatively large, with large sensory canal openings, 3rd infraorbital with moderate suborbital shelf; D XI, 17 or 18; A II, 17; vertebrae 10+22 or 23; scale rows in horizontal series about 45-49, scales absent anterolaterally forward of verticals from segmented dorsal-fin rays 4-5; vomerine teeth 2 or 3; spinous dorsal fin with an ocellus between spines 2-7 (Ref. 128653).
Body shape (shape guide): elongated; Cross section: compressed.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Smith-Vaniz, W.F., 2023. Review of Indo-West Pacific jawfishes (Opistognathus: Opistognathidae), with descriptions of 18 new species. Zootaxa 5252(1):1-180. (Ref. 128653)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
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