Yabby is a name given in Australia to two different kinds of crustacean: Cherax (freshwater yabby), a crayfish Trypaea (marine yabby), a ghost shrimp (infraorder Thalassinidea) which lives in the intertidal zone See also Yabba (disambiguation) Yabby You (1946–2010), Jamaican reggae vocalist and producer This disambiguation page lists articles associated with the title Yabby.If an internal link led you here, you may wish to change the link to point directly to the intended article. Wikiwand - on Seamless Wikipedia browsing. On steroids.