Some fish swim in synchrony. Others, it turns out, breathe in synchrony. This is true for arapaimas, an obligate air-breathing species living in the Amazon. A new study in Communications Biology, led ...

Stepping into this Amazon fish market feels like entering a living museum where everything on display could eat you. The colors, the sizes, and the sheer attitude of the fish make each moment more ...

One moment it’s feeding time, the next my whole hand is inside the mouth of a massive Amazon fish. This one’s got a serious bite. Watch how it moves - this $150,000 robot feels almost too human A ...