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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); helvolus: Name 'helvolus' from the Latin word meaning 'pale yellow', in reference to the predominant coloration of the new species.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
laut dasar (demersal); kisaran kedalaman ? - 300 m (Ref. 128653). Tropical
Western Central Pacific: New Caledonia.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 4.0 cm SL jantan/; (Ref. 128653)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 11; duri punggung lunak (Keseluruhan (total)) : 10; Duri dubur: 2; Sirip dubur lunak: 10; vertebrata, bertulang belakang: 26. This species is distinguished from its congeners by the following set of characters: rigid upper jaw lacking flexible lamina posteriorly, extending about 0.4 eye diameters behind posterior margin of orbit; infraorbitals moderately slender and tubular, 3rd infraorbital much larger with short posterolateral projecting arm ending with sensory canal opening, suborbital shelf absent; nape and cheek scaly; D XI, 10; A II, 10; vertebrae 10+16; spinous dorsal fin with a prominent ocellus between spines 3-6; anal fins mostly yellow; body scales brown. (Ref. 128653).
Body shape (shape guide): elongated; Cross section: compressed.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | 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)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan
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).
Tingkat Trofik (Acuan
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Kerentanan Penangkapan Ikan (Ref.
59153): Low vulnerability (10 of 100).
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