Fish Feminization in Surabaya River Raises Extinction Concerns
Diplomacy

Fish Feminization in Surabaya River Raises Extinction Concerns

Feminization, the development of female characteristics in fish, has been observed in the Surabaya River, East Java. A survey by Ecoton found that approximately 78% of the 71 fish from seven species studied were female. Experts note this sex ratio imbalance is unusual in nature and requires investigation and intervention.

Read up to 3 eligible full articles per Japan day (JST) for free

Create a free account to open up to 3 eligible full articles per Japan calendar day (JST). Headlines and summaries remain available across ASEAN 7.