Bony fish · Siluriformes · Pangasiidae

Mekong Giant Catfish

Pangasianodon gigas

Critically Endangered

It faces an extremely high risk of imminent extinction in the wild. See full glossary

The Mekong giant catfish is a siluriform ray-finned fish of the family Pangasiidae native to South East Asia. It is regarded as one of the largest freshwater fish in the world and is critically endangered.

Weight

up to 350 kg

Size

up to 3 m

Diet

Herbivore

Feeds mainly on plants.

Sighting difficulty

Very hard

Fun facts

  • conservaciónIt is one of the largest freshwater fish on record, and its wild population has fallen sharply as dams have blocked its migration routes.
  • It is one of the largest freshwater fish in the world: in 2005 an individual of 293 kg and almost three metres was caught in northern Thailand.
  • The adults lose their teeth and almost all their barbels, and switch to feeding mainly on algae and plant matter, which is extraordinary in a catfish of that size.
  • Catches across the whole basin fell from about seventy fish a year in 1990 to fewer than ten in recent years.

Life cycle & biology

Skeleton type
Vertebrate - internal bony skeleton (bony fish)
Habitat & environment
The main channel and large tributaries of the lower Mekong; it migrates long distances upstream to spawn at the start of the rainy season

Sources consulted: https://es.wikipedia.org/wiki/Pangasianodon_gigas

Where to watch it

Parks and dive sites where this species has been documented.

Related species

Other species in the catalogue with the most in common with Mekong Giant Catfish — same habitat, park, country, tags or family.

How to help

The mekong giant catfish is classified as critically endangered. Organizations such as UICN, WWF y Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programs is a good starting point if you want to get involved.

It's documented in 5 real protected areas — part of why protecting these places matters for its conservation.

Keep exploring

Based on what we already know about mekong giant catfish.

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