Channa stewartii: India achieves hormone-free breeding breakthrough
GS3Economy · S&T · Environment · Security· Biotechnology & health research· Prelims + Mains·
Why in news
ICAR-CIFRI successfully conducted the first hormone-free captive breeding and larval rearing of Channa Stewartii, an ornamental fish endemic to Northeast India.
Background
The research involved acclimatizing 30 wild-caught brooders over a period of two years. The breeding process achieved a hatching success rate of 73%.
Facts for Prelims
- EnvironmentChanna Stewartii: An ornamental fish species endemic to Northeast India.
- BodyICAR-CIFRI: The body responsible for the hormone-free captive breeding breakthrough.
- FactHatching success rate: 73% achieved during the two-year acclimatization of 30 wild-caught brooders.
For Mains
Q. Discuss how captive breeding of endemic species can balance the demands of the ornamental fish trade with the conservation of fragile hill-stream ecosystems.
Dimensions to cover in your answer
- Ecological pressure: Mitigation of over-exploitation of wild populations in fragile hill-stream habitats
- Economic viability: Promoting aquaculture entrepreneurship through sustainable, hormone-free breeding techniques
- Biodiversity conservation: Reducing reliance on wild-caught specimens to preserve endemic species
Keywords: Captive breeding · Endemic species · Aquaculture entrepreneurship · Ecological conservation · Sustainable trade
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