Young rock poolers discover rare Mediterranean sea hare species on Plymouth shore 

A very unusual marine discovery has been made at Plymouth’s Mount Batten Beach during The Rock Pool Project’s monthly BioBlitz Battle. Two keen young rock poolers taking part in the citizen science event found specimens of the depilatory sea hare (Aplysia depilans), a species usually only seen in the Mediterranean and East Atlantic.

Invasive non-native species: Understanding the basics

Following Invasive Species Week last week, and for the start of the the Big Rock Pool Challenge: National BioBlitz, MBA Associate Fellow, Dr John Bishop, explains the basics of understanding non-native species and the threats they pose to our native coastal marine life. What are invasive (non-native) species? Non-native species are those that are living … Read more

Help protect UK coasts from harmful species this Invasive Species Week

The Marine Biological Association (MBA) is calling on members of the public to get involved this UK Invasive Species Week (12–19 May 2025) in safeguarding the UK’s precious marine environments from harmful invasive species (also known as non-native species).