Opsariichthys duchuunguyeni

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Opsariichthys duchuunguyeni Huynh & Chen, 2014

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Opsariichthys duchuunguyeni
Male picture by Huynh, T.Q.

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

> Cypriniformes (Carps) > Xenocyprididae (East Asian minnows)
Etymology: Opsariichthys: Greek, opsarion, -ou = a little portion fish + Greek, ichthys = fish (Ref. 45335);  duchuunguyeni: Named for Prof. Nguyen Huu Duc, who has contributed to Vietnamese freshwater fishes research..

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

; zoet water benthopelagisch. Tropical

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Asia: Bang Giang river and Ky Cung river of the Pearl river in Viet Nam.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 7.3 cm SL mannelijk / geslacht onbekend; (Ref. 95038); 6.1 cm SL (female)

Korte beschrijving Morfologie | Morfometrie

Dorsale zachte stralen (totaal): 10; Anale zachte stralen: 12; Wervels: 40 - 41. Distinguished from other species of Opsariichthys by the following combination of characters: maxillary barbels absent; anterior notch on tip of upper lip absent; 41 scales on lateral line; 13-14 pre-dorsal scales; body width narrow; maxillary extending to or slightly beyond vertical of anterior margin of orbit; a series of two rows with 12-15 rounded tubercles on lower jaw; pectoral fin extending to origin of ventral fin in adult male; and snout and ventral side of head orange red in adult male in life (Ref. 95038).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Inhabits the upper reach of stream with moderate velocity of clear water and substrate of small and medium pebbles and boulders (Ref. 95038).

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

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Huynh, T.Q. and I.-S. Chen, 2013. A new species of cyprinid fish of genus Opsariichthys from Ky Cung-Bang Giang River basin, Northern Vietnam with notes of the taxonomic status of the genus from Northern Vietnam and Southern China. J. Mar. Sci. Tech. 21(Suppl:)135-145. (Ref. 95038)

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 = 0.5002   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00415 - 0.01826), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.1   ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).