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Datnioides polota (Hamilton, 1822)

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Datnioides polota
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Viet Nam country information

Common names: Cá huòng
Occurrence: native
Salinity: freshwater
Abundance: occasional (usually not seen) | Ref: Nguyen, H.P., P. Le Trong, N.T. Nguyen, P.D. Nguyen, N. Do Thi Nhu and V.L. Nguyen, 1995
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Saigon River (Ref. 10425) and Mekong delta (Ref. 36625). Also from the Gulf of Tonkin, central and southern Vietnam (Ref. 12846). Status of threat: Rare (Ref. 46452).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/vm.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Nguyen, H.P., P. Le Trong, N.T. Nguyen, P.D. Nguyen, N. Do Thi Nhu and V.L. Nguyen, 1995
National Database:

Common names from other countries

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

> Acanthuriformes (Surgeonfishes) > Lobotidae (Tripletails)
Etymology:   More on author: Hamilton.

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

; zoet water; brak water benthopelagisch.   Tropical; 22°C - 26°C (Ref. 13371); 22°N - 10°S

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

Asia and Oceania: India to Indonesia (Ref. 12693) and New Guinea (Ref. 2847).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm SL mannelijk / geslacht onbekend; (Ref. 4833); common length : 18.0 cm SL mannelijk / geslacht onbekend; (Ref. 2847)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 12; Dorsale zachte stralen (totaal) : 13 - 14; Anale stekels: 3; Anale zachte stralen: 8 - 9. Predorsal profile strongly concave; total gill rakers on first arch 20-23; scales large, about 40-60 in lateral series; anal fin branched rays 9; color pattern highly variable; up to 7 full vertical bars on body, sometimes with 1 to 4 partial bars between full bars (Ref. 10425).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Lives in brackish water at the mouths of large rivers and coastal lagoons, as well as in freshwater lakes and rivers above tidal influence (Ref. 10425). Feeds on fishes, prawns, crabs and some insect larvae. Marketed fresh (Ref. 12693).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Roberts, T.R. and M. Kottelat, 1994. The Indo-Pacific tigerperches, with a new species from the Mekong basin (Pisces: Coiidae). Ichthyol. Explor. Freshwat. 5(3):257-266. (Ref. 10425)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 09 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless




Gebruik door de mens

Visserij: commercieel
FAO(Publication : search) | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01585 (0.00918 - 0.02736), b=2.99 (2.83 - 3.15), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.7   ±0.60 se; based on food items.
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (27 of 100).
Prijsklasse (Ref. 80766):   Unknown.