Environment
The endangered giants that still lurk in the world鈥檚 biggest rivers
The world's fresh waters used to teem with enormous fish. Their numbers are dwindling, but it is not too late to save the river monsters from extinction
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The world's fresh waters used to teem with enormous fish. Their numbers are dwindling, but it is not too late to save the river monsters from extinction
These strange, mushroom-like structures are the reproductive phase of a type of slime mould, complex amoebae that feed on bacteria on forest floors