This is Fish Radio. I’m Laine Welch – How old is that crab? Audio

FISH-With-Mic-Logo-GRAPHIC-303-x-400-e1360148757522Knowing the age compositions of marine stocks is crucial to sound management. Fish can be aged easily by examining their earbones or scales. Not so with crabs, because they molt. For years it’s been assumed that crab that don’t retain their hard parts throughout their lifetime due to growth by molting at which they lose their lose their exoskeleton and it was always assumed everything went with that. Read the rest here