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Australian scallops do not recognise the introduced predatory seastar Asterias amurensis


Hutson, KS and Ross, DJ and Day, RW and Ahern, JJ, Australian scallops do not recognise the introduced predatory seastar Asterias amurensis, Marine Ecology Progress Series, 298, (August) pp. 305-309. ISSN 0171-8630 (2005) [Refereed Article]

DOI: doi:10.3354/meps298305


Escape responses of Australian scallops (Pecten fumatus and Chlamys asperrima) to native and introduced predatory seastars were compared in laboratory and field trials. The native seastar Coscinasterias muricata elicited an almost immediate escape response by scallops in all trials. In contrast, there was a low frequency of escape response exhibited by scallops when held in contact with the introduced seastar Asterias amurensis. These results are consistent with the hypothesis that escape response in invertebrates has evolved relative to predation risk. The absence of predator recognition in marine invertebrates may have serious implications for wild and farmed populations in southern Australia where introduced predators are prevalent. © Inter-Research 2005.

Item Details

Item Type:Refereed Article
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Marine and estuarine ecology (incl. marine ichthyology)
Objective Division:Environmental Management
Objective Group:Coastal and estuarine systems and management
Objective Field:Coastal or estuarine biodiversity
UTAS Author:Ross, DJ (Associate Professor Jeff Ross)
ID Code:43275
Year Published:2005
Web of Science® Times Cited:13
Deposited By:TAFI - Marine Research Laboratory
Deposited On:2007-11-26
Last Modified:2012-03-05

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