Giant freshwater stingray

Urogymnus polylepis

Giant Freshwater Stingray

  • It detects its prey with electroreceptive sensing organs.
  • The sharp barb can be over 35 cm long and is filled with toxins.
  • It typically inhabits large rivers with muddy or sandy bottom.
  • can be over 35 cm long and is filled with toxins.
  • The average disc width of offspring at birth is about 30 cm.
  • They are not aggressive and do not readily attack humans.
  • Historically, it was not considered a good food fish but often got caught as a bycatch.
  • In some regions, there is increasing fishing pressure caused by the aquarium trade and sport fishing.
  • It is assessed as Endangered on the IUCN Red List, with the Thailand subpopulation listed as Critically Endangered.
Contact person

Fengzhi He

Guest Scientist
Research group
Aquatic Ecogeography

Sonja Jähnig

Head of Department
Research group
Aquatic Ecogeography

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