From Comet to Fantail, here is a one-stop guide to the five most popular varieties of Goldfish admired worldwide.

If you’re thinking about splashing out on your first aquarium this Christmas then these are the best fish to fill it with.

While not harmful to humans, the moon snail is a predator that uses slow and methodical processes to consume clams and other ...

Conservationists are working to save a rare snail species found along the riverside of the Thames in London (Picture: PA) If you go down to the Thames today you might find a nice surprise – a hairy ...

Fine hairs on the shell are thought to allow the snail to sweat off moisture Conservationists and citizen scientists have joined forces for a project to save London's "charming little" ice-age hairy ...