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 by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) in collaboration with the Cluster of Excellence "Science of Intelligence," has demonstrated for the first time that arapaima juveniles gather by the hundreds to synchronize their trips to the water surface with split-second precision, most likely to avoid predators and maximize survival and efficiency.

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 by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) in collaboration with the Cluster of Excellence “Science of Intelligence,” has demonstrated for the first time that arapaima juveniles gather by the hundreds to synchronize their trips to the water surface with split-second precision, most likely to avoid predators and maximize survival and efficiency.

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