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 ...

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 ...

Environmentalists are urging federal officials to save a pair of Northwest species that you’ve probably never heard of. If you’ve seen one of them, you might have mistaken it for a pebble on the ...

Researchers have named two newly discovered freshwater snail species from Brazil after characters from The Lord of the Rings. In their research paper, the authors explain the name Idiopyrgus eowynae, ...

Snails (Gastropoda) are a stroke of luck for paleontologists: because of their hard shells, these animals are very often preserved as fossils. Snails therefore form an important and well represented ...

Nepal, Nov. 6 -- Water species such as fish, ghongi (freshwater snails), crabs and sutahi (mussels) are becoming increasingly rare in the fields, rivers, streams, and wetlands of the region. Baliram ...

Freshwater ecosystems across the United States are absorbing the consequences of decades-old decisions to import large non-native species for aquaculture, pest control, and the pet trade. From black ...