Figure 1. (a) A 110 mm (shell length) age 125 ocean quahog, Arctica islandica, released after marking in 1978 off Long Island, NY, and recovered 6 September 1983 before that year's annulus had formed; (b) enlargement of the marked area; (c) photomicrograph of the valve margin showing an annulus formed soon after marking (arrow) and four additional annuli.

Click on image to download TIF file

www.nefsc.noaa.gov
Search Fisheries
Link Disclaimer
webMASTER
Privacy Policy
(File Modified Nov. 26 2004)