Giant barb

Catlocarpio siamensis

Giant Barb

  • It is the world’s largest cyprinid species.
  • It has a large head, but no barbels.
  • It mainly feeds on algae and fruits of inundated terrestrial plants.
  • It moves to the floodplains during the rainy season and prefers deep pools in the main river channels during the dry season.
  • It can reach a body mass of 300 kg.
  • It is a potamodromous species, migrating solely in freshwaters, but knowledge of its migratory routes or natural spawning habitats remains limited.
  • The species was once an important food fish for people in Cambodia, Laos, and Thailand.
  • It was selected as Bangkok's symbolic fish to raise public awareness of freshwater biodiversity conservation.
  • The wild populations have experienced drastic decline, in both abundance and body size.It has been assessed as Critically Endangered on the IUCN Red List.
Contact person

Fengzhi He

Guest Scientist
Research group
Aquatic Ecogeography

Sonja Jähnig

Head of Department
Research group
Aquatic Ecogeography