Short_description The AquaInvaders project aims to collect much needed data on freshwater aquatic invasive species around the UK. It is a unique partnership between the Environment Agency, Scottish Natural Heritage, The Scottish Environment Protection Agency, the University of Bristol, the British Sub Aqua Club and the Biological Records Centre. The species included in the dataset are: Topmouth gudgeon Black/brown bullhead Sunbleak Fathead minnow Bitterling Zander Wels catfish Sturgeon species Bighead carp Channel catfish Killer Shrimp Chinese Mitten Crab Zebra Mussel Quagga Mussel Signal Crayfish Red swamp crayfish Turkish crayfish Noble crayfish Spiny cheek crayfish Alpine Newt American Bullfrog Marsh Frog African Clawed Toad Red-eared Terrapin Mink