Viet Nam country information

Common names: Ca ho, Cá ho, Cá Hô
Occurrence: native
Salinity: freshwater
Abundance: common (usually seen) | Ref: Sokheng, C., C.K. Chhea, S. Viravong, K. Bouakhamvongsa, U. Suntornratana, N. Yoorong, N.T. Tung, T.Q. Bao, A.F. Poulsen and J.V. Jørgensen, 1999
Importance: commercial | Ref: Vidthayanon, C., 2005
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in Mekong delta (Ref. 36625). Encountered all year round in many areas of the Mekong basin (Ref. 37770). Juveniles are encountered at Can Tho in Can Tho Province and at Cao Lanh in Dong Thap Province in the Mekong and also in some canals (Ref. 37770). Also Ref. 36654, 43281.
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: Khoa, T.T. and T.T.T. Huong, 1993
National Database:

Common names from other countries

Siamese giant carp, 暹罗印度鲤, Veleparma thajská, ... more

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

> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Probarbinae
Etymology: More on author: Boulenger.

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

; zoet water benthopelagisch; potamodroom (Ref. 51243). Tropical

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

Asia: Maeklong (Ref. 26336), Mekong and Chao Phraya basins (Ref. 12693).

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 300 cm TL mannelijk / geslacht onbekend; (Ref. 30857); max. gepubliceerd gewicht: 300.0 kg (Ref. 10431)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0. Head very large, about 2.5 times in SL; no barbels; no dorsal spine; 90-110 long gill rakers on first gill arch (Ref. 43281).

Found in large rivers and seasonally in canals and floodplains (Ref. 12693). Adults prefer big pools in the Mekong at least part of the year while juveniles are mostly seen in swamps and small tributaries, from where they are sometimes collected and stocked in ponds (Ref. 37770). The young can acclimatize to live in ponds, canals and swamps. A migratory species (Ref. 37772). Enters flooded forest (Ref. 9497). Young individuals occur in October in the lower Mekong basin (Ref. 12975). Feeds on algae, phytoplankton and fruits of inundated terrestrial plants (Ref. 12693) and detritus (Ref. 58784). Its numbers have declined seriously. Individual fishes rarely survive to reach reproductive maturity. Its catch should be strictly regulated by size. A very desirable food fish, sometimes eaten fresh or pickled (Ref. 12693). Maximum length of 300 cm needs confirmation. Threatened due to over harvesting and habitat loss (Ref. 58490).

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

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO species identification field guide for fishery purposes. FAO, Rome, 265 p. (Ref. 12693)

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

Ernstig bedreigd (CR) (A2abcd); Date assessed: 05 April 2011

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: commercieel; Aquacultuur: commercieel

FAO(Publication : search) | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 1.0000 [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): 2.9 ±0.44 se; based on food items.

Weerstandsvermogen (Ref. 120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming tm=5-10).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Prijsklasse (Ref. 80766): Unknown.

Catlocarpio siamensis Boulenger, 1898