NOTES AND NEWS MATING OF THE STONE CRAB, MENIPPE MERCENARIA (SAY) (DECAPODA, BRACHYURA) 1) BY THOMAS SAVAGE Marine Research Laboratory, Department of Natural Resources, St. Petersburg, Florida, U.S.A. A noteworthy by-product of a study of growth and regeneration of the Stone Crab, Menippe mercenaria (Say), has been the opportunity to observe and photo- graph the mating of a pair of captive crabs. A large number of crabs are being maintained at our Laboratory in two circular concrete tanks (approximately 20' wide and 5' deep). Fresh seawater is con- tinuously pumped from nearby Bayboro Harbor, St. Petersburg, Florida, into both tanks which are inside a covered enclosure of chain-link fence, permitting ventila- tion on all sides. The water temperature ranged between 80 and 84°F (26.6 and 28.8°C) during the study. Each tank is provided with a dozen or more two-holed concrete building blccks arranged to permit observation. The tanks are surveyed at least twice daily for dead and/or freshly molted crabs. For at least a week, two crabs remained together within one section of a concrete block; usually the male remained above the female, near the entrance of the hole. The female's fresh molt was recovered on the morning
Crustaceana – Brill
Published: Jan 1, 1971
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