**Lin Baldock **is a biologist, a fully qualified commercial diver and an environmental consultant who has also worked as an academic researcher.Frances Dipper is a writer, lecturer and independent marine consultant who runs marine fish identification courses for marine consultancies and for Seasear...

**Lin Baldock **is a biologist, a fully qualified commercial diver and an environmental consultant who has also worked as an academic researcher.Frances Dipper is a writer, lecturer and independent marine consultant who runs marine fish identification courses for marine consultancies and for Seasearch.