SINGAPORE, Feb. 24 -- Seven years after being released into the wild, the endangered Singapore freshwater crab (Johora singaporensis), bred in a laboratory, is thriving in its natural habitat.

Released by researchers from the National Parks Board (NParks) into a stream in Bukit Batok in 2018, these crabs have since established their own population in the wild, The Straits Times reported today.

"This means they are surviving, even breeding the next generation of crabs in the wild," Karenne Tun, group director for NParks' National Biodiversity Centre, was quoted as saying.

Reproduction is a positive sign, suggesting the crabs have adapted to their environment and are producing viable offspring.

The positive news about the crabs and Singap...