Leeches might seem like relics of a bygone age of medicine, but they haven’t outlived their usefulness to people yet. The freshwater leech Helobdella austinensis can eat its weight in snails every day ...

A new study from The American Naturalist studies some very fast snails and their success at long-distance colonization. Introduced into the rivers of the Martinique islands less than twelve years ago, ...

Neritina canalis with its eggs. Each egg contains a few hundred larvae that will be washed down into the ocean. Photo from Eric Krandall Many animals do not spend their lives entirely in saltwater or ...

Did you have an aquarium when you were growing up – or do you have one now? Did you have snails in it? In nature, our rivers, creeks and lakes are filled with freshwater snails … or were until ...

Potamopyrgus antipodarum, commonly known as the New Zealand mud snail, has emerged as a paradigm for invasive species research. Its global proliferation is underpinned by a suite of opportunistic ...

A new study shows that schistosome transmission can actually be highest when freshwater snail populations are low. This study demonstrates how the size of a freshwater snail population relates to its ...

A treasure trove of rare freshwater fossils has been described from Taiwan in a new study. Dating back to the Early Pleistocene, over 1 million years ago, they include a baby snail preserved inside ...