EnvironmentTimes of India
In 1974, a German fisherman released thousands of baby catfish into a river; 50 years later they are threatening native wildlife
Read the full story at Times of India
In 1974, German biologist Roland Lorkowsky introduced the Wels catfish to Spain's Ebro River, where they've since become a top predator, threatening native wildlife.
Their large size and aggressive feeding present significant hurdles for conservationists trying to maintain balance.
This is a short excerpt. EkJhalak links out rather than reproducing other newsrooms’ work — continue at Times of India.
More environment
- आज कता-कता छ वर्षा र बाढीको सम्भावनाNepal Khabar
- तातोपानी भन्सारस्थित सशस्त्र प्रहरीको बीओपीमा सुक्खा पहिरो खस्दा क्षतिNepal Khabar
- पहिचानको मुद्दालाई सम्मान गर्दै द्वन्द्वरहित समाज निर्माण गर्न निश्कलको जोडSetopati
- Wildfire-ravaged habitats in Wales could take centuries to recover, environmentalists sayBBC
- अरूको ज्यान बचाउन आफ्नो ‘लाइफ ज्याकेट’ दिने राजेश: बाढीमा ६१ वर्षीय वृद्धको उद्धार गरे तर आफैँ अस्ताएDC Nepal
- China's Taklamakan Desert is now capturing more carbon than it emitsTimes of India