Distribution of Marine Invertebrates by Ships

摘要: In comparatively recent years a number of sedentary marine invertebrates have been found on the east coast Australia, where they were previously unknown. New records for Australian waters are: Bryozoa — Bugula flabellata Thompson,Conopeum tubigerum Osburn, Schizoporella unicornis Johnston, Watersipora cucullata Busk, and Anguinella palmata van Beneden; Polycliaeta ( Serpulidae) Mercierella enigmatica Fauvel; Cirripedia Balanus algicola Pilsbry. By reason their abundance, these species could not overlooked by field collectors, as are ship-fouling organisms in other parts world it is concluded that introduced ships. An examination made factors militating against such importations, but despite difficulties encountered, can be successfully translocated Mention some more outstanding introductions occurred overseas years. The available evidence suggests many cosmopolitan may owe wide distribution to movements shipping.