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Australian scallops do not recognise the introduced predatory seastar Asterias amurensis
Version 2 2023-06-23, 10:52Version 2 2023-06-23, 10:52
Version 1 2023-05-25, 22:28Version 1 2023-05-25, 22:28
journal contribution
posted on 2023-06-23, 10:52 authored by KS Hutson, Donald RossDonald Ross, RW Day, JJ AhernEscape 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.
History
Publication title
Marine Ecology Progress SeriesVolume
298Issue
AugustPagination
305-309ISSN
0171-8630Department/School
Sustainable Marine Research CollaborationPublisher
Inter-ResearchPublication status
- Published
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http://www.int-res.com/journals/meps/Repository Status
- Restricted
Socio-economic Objectives
180203 Coastal or estuarine biodiversityUsage metrics
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