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 ...

Today, we pull the veil back on the secret sex lives of leeches and how researchers at McMaster University and Fisheries and Oceans Canada are using that information to learn about endocrine ...

The frequent presence of leeches with a hidden lifestyle in the mantle cavity of freshwater mussels has been recorded since the second half of the 19th century. Yet this was, until now, regarded as an ...

Seven new leech species have been discovered living in freshwater mussels around the world. The diverse ecological group were found inside more than 3,000 freshwater mussels collected from East Asia, ...

Researchers have discovered that injecting a simple hormone into leeches creates a novel way to study how hormones and the nervous system work together to produce species-specific reproductive ...