“Only Between Two Waterfalls: Rare Ancient Fish’s Last Home Now in Danger”

A tiny ancient fish, found only between waterfalls in a single river, is now under threat from habitat loss, pollution, and development projects. Conservation efforts are critical.

Dec 30, 2025 - 14:07
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“Only Between Two Waterfalls: Rare Ancient Fish’s Last Home Now in Danger”

Deep within a remote river ecosystem, scientists have discovered a tiny, ancient species of fish that survives in a highly specialized habitat—between the waterfalls of a single river. Its isolation has preserved its unique evolutionary traits for millions of years, making it a living relic of the aquatic past.

However, this remarkable species is now under serious threat. Changes in the river’s flow due to hydroelectric projects, water extraction, and climate change, along with habitat degradation and pollution, are putting its survival at risk. Because it exists only in such a limited range, any disruption to this habitat could lead to extinction.

Researchers emphasize that the fish’s survival is critical not only for biodiversity but also for understanding evolutionary history. Conservationists are calling for immediate protective measures, including strict regulation of river projects, habitat preservation, and monitoring programs to ensure this tiny ancient species continues to thrive.

This discovery is a stark reminder of how fragile specialized ecosystems can be and the urgent need to balance development with environmental conservation. Protecting such species is vital to preserving the rich tapestry of life that has evolved over millions of years.

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