Crawfish Measuring Guide
Please see notes on our Cornwall Sea Fisheries District Guide to minimum fish and shellfish sizes page for more information and download.
Crawfish should be measured from the tip of the central rostral spine, along the midline to the midpoint of the distal 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.