A SOMERSET zoo is breeding a species of fish believed to be the last of their kind in the world. Tropiquaria Zoo, at Washford Cross, Watchet, is sheltering a group of exotic fish called the Jewelled ...

Atlantic sturgeon make so much noise during breeding, it's called a "thunder." Listening in can help scientists pinpoint ...

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Just 3 per cent of rivers in the UK flow unobstructed today, according to a European Union project. Centuries of industrialisation have reshaped these waterways and artificial structures such as weirs ...