A graduate student came across a reddish-brown creature with claws that was tangled up in fishing line at a north-central Washington lake – and it turned out to be a new species.

The critically endangered fish, discovered in the commercial aquarium trade, can only be found in one forest swamp on Sumatra, Indonesia.

One of Malta’s most unique animal species, one which is not found anywhere else on this planet and was even immortalised in ...