This is a beginner's guide to the common groups of freshwater invertebrates found in Britain. It is designed to help you differentiate broad groups of common freshwater invertebrates, principally to ...

Freshwater invertebrates are an important part of the freshwater ecosystem and food chain, and they can also tell us a lot about the health of a waterbody. If you'd like to learn how to look for them, ...

Freshwater pearls are still cultured by inserting small pieces of native mussel shell into oysters. Mussels are fascinating because of their life histories, carried out on river bottoms. They are ...

This is the group that not only contains snails, but also other invertebrates such as freshwater mussels and oysters. Previous research focusing on mollusks suggests that around a third are at ...

A short-lived, strikingly stunning native mayfly known to fly-fishers and aquatic admirers yet seldom seen by the public may ...