The cuttlefish has one of the largest brain-to-body size ratios of any invertebrate ... Water exits through a movable part called the funnel, which controls the angle of the spray.

To protect themselves, some invertebrates, such as snails, have shells. Others have a hard outer layer called an exoskeleton. The first part of this word ‘exo-‘ means outside, so an ...

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, ...

Each photograph showcases the beauty of invertebrates and their crucial role in our ecosystem. Want your photos to be featured? Join the Bucks Free Press Camera Club on Facebook and take part in ...