Opistognathus evermanni, Rainbow jawfish

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Opistognathus evermanni (Jordan & Snyder, 1902)

Rainbow jawfish
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Image of Opistognathus evermanni (Rainbow jawfish)
Opistognathus evermanni
Picture by Shao, K.T.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> 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 Ecologie

marien demersaal; diepte 10 - 30 m (Ref. 128653). Subtropical

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Indo-West Pacific: India, Japan, Hong Kong, Vietnam, and the Philippines.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm TL mannelijk / geslacht onbekend; (Ref. 559)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 11; Dorsale zachte stralen (totaal): 10-12; Anale stekels 2; Anale zachte stralen: 10 - 11; Wervels: 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).

Biologie     Verklarende woordenlijst (bv. epibenthic)

A rare species. Mouthbrooders (Ref. 240).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

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)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 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).
Trofisch niveau (Ref. 69278):  3.5   ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).