Catlocarpio siamensis  Boulenger, 1898

Giant barb
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Catlocarpio siamensis
Picture by Baird, I.G.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > No subfamily
More on author: Boulenger.

Environment / Climate / Range Ecology

Freshwater; benthopelagic; potamodromous (Ref. 51243).   Tropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 300 cm TL male/unsexed; (Ref. 30857); max. published weight: 300.0 kg (Ref. 10431)

Short description Morphology | Morphometrics

Dorsal spines (total): 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).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

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

Biology     Glossary (e.g. epibenthic)

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).

Main reference Upload your references | References | Coordinator | Collaborators

Rainboth, W.J., 1996. Fishes of the Cambodian Mekong. FAO Species Identification Field Guide for Fishery Purposes. FAO, Rome, 265 p.

IUCN Red List Status (Ref. 90363)

Threat to humans

  Harmless




Human uses

Fisheries: commercial; aquaculture: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278):  2.9   ±0.44 se; Based on food items.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Assuming tm=5-10).
Vulnerability (Ref. 59153):  Very high vulnerability (88 of 100) .
Price category (Ref. 80766):   Unknown.