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Science 22 January 1971:
Vol. 171. no. 3968, pp. 288 - 290
DOI: 10.1126/science.171.3968.288
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Articles

Migrations and Growth of Deep-Sea Lobsters, Homarus americanus

Richard A. Cooper 1 and Joseph R. Uzmann 1

1 Bureau of Commercial Fisheries, Biological Laboratory, West Boothbay Harbor, Maine 04575

In distinct contrast to the restricted movements of coastal stocks of lobsters (Homarus americanus), those inhabiting the outer continental shelf undertake extensive seasonal migrations. Of 5710 tagged lobsters released on the outer continental shelf off New England from April 1968 to June 1969, 400 had been recaptured by April 1970. The distribution of the recoveries demonstrated shoalward migration in spring and summer and a return to the edge of the shelf in fall and winter. Deep-sea lobsters have a faster rate of growth than coastal lobsters; growth increments at molting and the frequency of molting are greater.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)