Ring Size Summary The ring size of scallop dredges can be used as a selectivity measure to release scallops below a certain size. Most of the small scallops released will survive. Scallop dredge bag made from steel rings Selection type Post-selection Release effectiveness Release effectiveness 1 out of 5 Very poor Retention effectiveness Retention effectiveness 1 out of 5 Very poor Related gear DRB - Scallop Dredge Related selective devices Number of Dredges Ring Size
