ADF&G may have discovered how to accurately find a crab's age (Fish Radio)
SEAFOODNEWS.COM [Fish Radio with Laine Welch] December 16, 2014
This is Fish Radio. I’m Laine Welch – How old is that crab? The mystery could be solved…I’ll tell you more after this
Knowing the age compositions of marine stocks is crucial to sound management. Fish can be aged easily by examining their ear bones 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."
Joel Webb is with Fish and Game’s age determination unit in Juneau. About three years ago, he says researchers in Australia and Eastern Canada produced evidence to the contrary...
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