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Opistognathus dipharus Smith-Vaniz, 2010

Tail beacon jawfish
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Image of Opistognathus dipharus (Tail beacon jawfish)
Opistognathus dipharus
Male picture by Smith-Vaniz, W.F./SAIAB

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | 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);  dipharus: The specific name is derived from the Greek 'di' (two, double) and 'pharos' (beacon), in reference to the pair of conspicuous pale basicaudal spots against a dark background that characterize this species..

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

marin; profondeur 3 - 23 m (Ref. 128653). Tropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Western Indian Ocean: southern Red Sea.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 4.7 cm SL mâle / non sexé; (Ref. 85161)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 15; Épines anales: 3; Rayons mous anaux: 16; Vertèbres: 29. This species is distinguished by the following set of characters: with a rigid upper jaw lacking flexible lamina posteriorly, extending 0.9 eye diameters behind posterior margin of orbit; infraorbitals are moderately robust with large sensory canal openings, the third infraorbital with moderate suborbital shelf; D XI,15; A III,16; vertebrae 10+19; scale rows in horizontal series about 63-64; lateral-line terminus is below segmented dorsal-fin rays 6 or 7. Colouration: caudal fin with a pair of conspicuous oblong, pale, basicaudal spots against dark background; inner lining of upper jaw and adjacent membranes with posterior black blotch that is externally visible; head and body various shades of brown, with darker mid-lateral stripe with irregular margins (Ref. 128653).

Biologie     Glossaire (ex. epibenthic)

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Données manquantes (DD) ; Date assessed: 19 July 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

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Trophic ecology
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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

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=0.00389 (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).
Niveau trophique (Ref. 69278):  3.3   ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).