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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte 12 - 32 m (Ref. 128653). Tropical
Western Central Pacific: Vanuatu and Tonga.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 4.0 cm SL mannelijk / geslacht onbekend; (Ref. 128653)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 11; Dorsale zachte stralen (totaal) : 17 - 18; Anale stekels: 2; Anale zachte stralen: 17; Wervels: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (10 of 100).
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