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ICES Journal of Marine Science: Journal du Conseil Advance Access originally published online on March 4, 2008
ICES Journal of Marine Science: Journal du Conseil 2008 65(5):770-774; doi:10.1093/icesjms/fsn020
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© Her Majesty in Right of Canada as represented by the Minister of Fisheries and Oceans. For Permissions, please email: journals.permissions@oxfordjournals.org

Non-indigenous tunicate species in the Bay of Fundy, eastern Canada

Murielle M. LeGresley1, Jennifer L. Martin1, Paul McCurdy1, Bruce Thorpe2 and Blythe D. Chang1

1 Biological Station, Fisheries and Oceans Canada, 531 Brandy Cove Road, St Andrews, New Brunswick, Canada E5B 2L9
2 Department of Fisheries, 107 Mount Pleasant Road, St George, New Brunswick, Canada E5C 3S9

Correspondence to M. M. LeGresley: tel: +1 506 5295961; fax: +1 506 5295862; e-mail: legresleym{at}mar.dfo-mpo.gc.ca

LeGresley, M. M., Martin, J. L., McCurdy, P., Thorpe, B., and Chang, B. D. 2008. Non-indigenous tunicate species in the Bay of Fundy, eastern Canada. – ICES Journal of Marine Science, 65: 770–774.

The frequency of fouling tunicates is increasing in Atlantic Canada and along the New England coast of the US. Canadian shellfish industries in the Gulf of St Lawrence and along the south shore of Nova Scotia have been affected by the heavy infestation of fouling tunicates. Because little research on tunicates has been conducted in the Bay of Fundy, a Canadian monitoring programme was established to look for the non-indigenous tunicates Ciona intestinalis, Botryllus schlosseri, Didemnum sp. A, Botrylloides violaceus, and Styela clava, in southwest New Brunswick. Collectors were deployed at 11 stations in May/June 2006. Some were retrieved in August 2006; others remained until November of the same year. Ciona intestinalis had established at three survey sites, St Andrews Harbour, St Andrews Biological Station, and Fairhaven, Deer Island, but the heaviest infestation was in the Lime Kiln Bay–Charlie Cove area. The greatest settlement of B. schlosseri was at the Dipper Harbour site, with minimal settlements in St Andrews Harbour and Harbour de Loutre. The other species of interest were not detected during the survey.

Keywords: Bay of Fundy, Botrylloides violaceus, Botryllus schlosseri, Ciona intestinalis, Didemnum sp. A, fouling, non-indigenous, Styela clava, tunicates

Received 18 June 2007; accepted 20 January 2008; advance access publication 4 March 2008.


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