This tiny ancient fish only lives between two waterfalls in one river. It’s now under threat

Along a nine-mile stretch of river between two waterfalls in the Australian rainforest lives a tiny fish that’s been there for millions of years, hiding between rocks along the riverbank by day and emerging at night to feed.

​ Along a nine-mile stretch of river between two waterfalls in the Australian rainforest lives a tiny fish that’s been there for millions of years, hiding between rocks along the riverbank by day and emerging at night to feed. Read More Breaking News, Latest News and Videos | CNN