Abstract
THERE is much recent evidence for the spread of marine organisms as fouling on ships' bottoms. Crepidula fornicata has been found in the River Fal, Cornwall, since 19471, usually in the vicinity of moored ships. An extensive oyster fishery exists in this estuary, and the dredgermen and bailiff have been alive to the danger of the spread of Crepidula. This has resulted in a general interest in organisms other than oysters found during dredging. Recently, a large chiton was sent to me by Mr. P. P. Guy, the oyster bailiff. This proved to be Callochiton fulvus (Wood), the known distribution of which is Portugal, Spain and South America. This specimen was alive and attached to an oyster shell when caught ; it had a length of 5.5 cm. It was taken in a dredge on the edge of the deep-water channel (3–4 fathoms) in Tolverne Reach, a stretch used for many years for mooring oil tankers while temporarily laid up.
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Cole, H. A., Fish. Invest., Series II, 17, 7 (1952).
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BAIRD, R. A Chiton, Callochiton fulvus (Wood), in the River Fal. Nature 175, 954 (1955). https://doi.org/10.1038/175954b0
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DOI: https://doi.org/10.1038/175954b0
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