Burmese Peacock Softshell
CR

Burmese Peacock Softshell

Nilssonia formosa

Declining

Photo: Photo: Wikimedia Commons, CC BY-SA

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Nilssonia formosa faces severe population decline primarily due to intensive harvesting for food and traditional medicine, with adults and eggs collected from nesting beaches and river systems. Habitat degradation from dam construction, sand mining, and agricultural expansion has fragmented remaining populations across the Mekong River basin. Water pollution from agricultural runoff and industrial discharge further compromises the aquatic ecosystems this species depends upon for survival.

Threat summary

Habitat

This large softshell turtle inhabits the Mekong River system and its tributaries, preferring deep pools and slow-flowing sections with sandy or muddy bottoms. The species requires sandy riverbanks and islands for nesting, typically selecting sites with loose substrate near permanent water sources.

Wetlands (inland) - Permanent rivers/streams· major

Conservation measures underway

Site/area protectionEx-situ conservationLegislation

Frequently asked questions

Why is Burmese Peacock Softshell classified as Critically Endangered?
Burmese Peacock Softshell is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Nilssonia formosa faces severe population decline primarily due to intensive harvesting for food and traditional medicine, with adults and eggs collected from nesting beaches and river systems. Habitat degradation from dam construction, sand mining, and agricultural expansion has fragmented remaining populations across the Mekong River basin. Water pollution from agricultural runoff and industrial discharge further compromises the aquatic ecosystems this species depends upon for survival.
Where does Burmese Peacock Softshell live?
Burmese Peacock Softshell occurs in China, and Myanmar (Burma). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Burmese Peacock Softshell?
The main threats to Burmese Peacock Softshell are 3.2, 5.4, 9.3, and ai-1. The full IUCN-classified threat record for this species is detailed on the species page.

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