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pl23_fish7921.jpg

Studying mating habits of a pair of tanner crabs

Image

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Description

Studying mating habits of a pair of tanner crabs. To calculate the sustainableharvest that can be expected, biologists must have a thorough understandingof the life history of a species and how it reacts to changes in theenvironment.

Credit

NOAA Central Library Historical Fisheries Collection; P. 88 of Our Changing Fisheries 1970 Centenary NMFS centenary volume

Collection

Historic Fisheries