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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).
More on authors: Jordan & Snyder.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي نزديك كف زي; تغييرات عمق 10 - 30 m (Ref. 128653). Subtropical
Indo-West Pacific: India, Japan, Hong Kong, Vietnam, and the Philippines.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 11.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 559)
خارهاي باله پشتي (کل) : 11; شعاع نرم باله پشتي (کل) : 10 - 12; خارهاي باله مخرجي: 2; شعاع نرم باله مخرجي: 10 - 11; مهره ها: 26. This species is distinguished by the following characters: with a rigid upper jaw lacking flexible lamina posteriorly, extending about 1.0 eye diameter behind posterior margin of orbit; infraorbitals are moderately tubular, with large openings for sensory canals, the third infraorbital largest with very short posterolateral projecting arm ending with sensory canal opening, no suborbital shelf; D XI,10-12; A II,10-11; vertebrae 10 + 16; scale rows in horizontal series about 41-47; nape naked; outer premaxillary teeth are relatively straight with distinctly blunt tips. Colouration: soft dorsal and anal fins each with two pale stripes; caudal fin with one pale band; pelvic fin bicolored, dark except for the pale unbranched outer two rays and interradial membrane (Ref. 128653).
A rare species. Mouthbrooders (Ref. 240).
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
Employ mouthbrooding to care for their young (Ref. 240).
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
