The Southern Combo Gauge incorporates 3 different species of abalone and 2 different species of crayfish: The Brownlip (140mm), Greenlip (140mm) and Roe's Abalone ( 60mm) and also the Western Rock Lobster (76mm) and Southern Rock Lobster (98.5mm). This gauge has been designed to suit the requirements of the divers on the southern coast of Western Australia where these 5 species are commonly caught.