Spider Crab Measuring Guide
Please see notes on our Cornwall Sea Fisheries District Guide to minimum fish and shellfish sizes page for more information and download.
Spider Crabs shall be measured along the midline of the shell from the edge of the carapace between the rostrums to the posterior edge of the carapace.
Shellfish measuring Gauge
A stainless steel guage can be supplied to any fisherman holding a valid Cornwall Sea Fisheries shellfish permit.