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Thousands of red swamp crayfish invade Taiwan creek

Public urged not to catch, fish, or feed the invasive creatures originally from North America

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Red swamp crayfish caught in a creek in Hsinchu. (Hsinchu City Government photo)

Red swamp crayfish caught in a creek in Hsinchu. (Hsinchu City Government photo)

TAIPEI (Taiwan News) — Hsinchu City Moat has been swamped by thousands of red swamp crayfish, also known as Louisiana crawfish, posing a threat to the local environment.

Native to freshwater bodies in North America, the creatures are believed to have been illegally released into the creek near the historic site of East Gate in Hsinchu City, according to the city government.

Over 3,000 Louisiana crawfish were caught in just five days, indicating the extent to which the invasive species is affecting the moat’s ecosystems. Officials say the crayfish were introduced in the 1980s, but have gone out of favor with local farmers, who have dumped the creatures because their meat is unappealing.

Anyone releasing the crawfish faces a fine of somewhere between NT$50,000 (US$1,785) and NT$250,000 pursuant to the Wildlife Conservation Act. There is also a ban on catching, fishing, or feeding the creatures, said the city government.

Thousands of red swamp crayfish invade Taiwan creek

Thousands of red swamp crayfish invade Taiwan creek
Red swamp crayfish caught in a creek in Hsinchu. (Hsinchu City Government photos)


Updated : 2021-11-28 14:59 GMT+08:00