Representative RAPD profiles obtained for various Vibrio species. Lanes 1, 5, 9, and 12, 123-bp ladder; lane 2, V. parahaemolyticus; lane 3, V. nigripulchritudo; lane 4, V. anguillarum; lane 6, V. fluvialis; lane 7, V. alginolyticus; lane 8, V. natriegens; lane 10, V. mimicus; lane 11, V. harveyi.