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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); decorus: Name from the Latin 'decorus' meaning beautiful, referring to the attractive coloration when alive..

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

seewasser demersal; tiefenbereich 120 - 140 m (Ref. 128653). Deep-water

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Western Pacific: Japan (Ryukyu Is., Okinawa) to Indonesia (Sulawesi).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 15.5 cm SL Männchen/unbestimmt; (Ref. 128653)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 11 - 12; Rückenflossenweichstrahlen (insgesamt): 12; Afterflossenstacheln 2; Afterflossenweichstrahlen: 11; Wirbelzahl: 26. This species is distinguished by the following characters: with a rigid upper jaw lacking flexible lamina posteriorly, extending about 1.2 to 1.5 eye diameters behind posterior margin of orbit; infraorbitals are very broad and robust, the third infraorbital with no suborbital shelf; D XI-XII, 12 (usually XI,12); A II,11; vertebrae 10+16; scale rows in horizontal series 56-67; total gill rakers 41-44. Colouration: in life, body with 5-7 violet-blue stripes and head with prominent violet-blue blotches (Ref, 128653).

This species is probably a deep-water species, similar to its sister-species Opistognathus aurolineatus (reflected in the depth range given) (Ref. 128653). Mouthbrooders (Ref. 240).

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

Employ mouthbrooding to care for their young (Ref. 240).

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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)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.6 ±0.6 se; based on size and trophs of closest relatives

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

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Opistognathus decorus Smith-Vaniz & Yoshino, 1985