Tenguella marginalba (Blainville, 1832) (Gastropoda: Muricidae): a marine snail now formally reported as established in far eastern Victoria.

The tropical and warm-temperate eastern Australian muricid snail Tenguella marginalba (Blainville, 1832), unknown in Victoria prior to 1982, is formally reported as established in far eastern Victoria. It also occurs in southernmost New South Wales. The Marine Research Group of the Field Naturalists Club of Victoria (MRG) first detected it at Mallacoota in 1982, and subsequent surveys by the MRG and others have confirmed its local persistence. This paper maps its appearance and range in Victoria over time, based on MRG records and other literature references. A possible cause for its Victorian incursion is the warming of the Eastern Australian Current through climate change. Recent Victorian intertidal records of other warm-temperate marine invertebrates not typically found in eastern Victoria are provided as possible co-examples of this process. [ABSTRACT FROM AUTHOR]