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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); asper: Name from Greek 'asper' for rough, referring to the irregular row of scales above the lateral line anteriorly in the holotype.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser riff-verbunden; tiefenbereich ? - 95 m (Ref. 128653). Tropical

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Eastern Indian Ocean: Australia.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 5.0 cm SL (female)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 11; Rückenflossenweichstrahlen (insgesamt) : 11 - 12; Afterflossenstacheln: 2; Afterflossenweichstrahlen: 10; Wirbelzahl: 26. This species is distinguished by the following characters: rigid upper jaw lacking flexible lamina posteriorly and extending about 0.7 eye diameters behind posterior margin of orbit; infraorbitals are relatively slender and tubular, third infraorbital with short posterolateral projecting arm ending with large sensory canal opening, no suborbital shelf; D XI,11-12; A II,10; vertebrae 10+16; total gill rakers 32-34; tips of the dorsal-fin spines with conspicuous pale tabs; dorsum with a row of 5 dark blotches that extend distinctly onto the dorsal fin; the last blotch on dorsal fin at least as wide as anterior blotches; scale rows on the body appear to form series of narrow dark stripes (Ref. 128653).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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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)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien:

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [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).

Trophic level (Ref. 69278): 3.3 ±0.5 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Opistognathus asper Smith-Vaniz, 2023