Tag Archives: Invasive species in England

Piranha found in English river

According to the Environment Agency, a dead piranha has been found in the River Torridge in Devon.  Nothing to panic about though. The EA said that the piranha had probably been placed in the river once the fish became too large for its tank and died because it could not tolerate the low temperatures. The Daily Telegraph

Mitten crabs in the Thames

Chinese mitten crabs are becoming increasingly common in the River Thames and other rivers in England, having arrived in ship’s ballast from Asia. Mitten crabs cause a great deal of damage by burrowing into and destroying fragile riverbanks. They prey on other species and compete with native animals such as crayfish. Continue reading Mitten crabs in the Thames