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Notes on the burrow morphologies and nesting behaviors of adults and juveniles of Procambarus clarkii and Procambarus acutus acutus (Decapoda: Cambaridae)
Hasiotis ST 
Published Online: 6/1/2020
Abstract
The architectural and surficial burrow morphologies are described for the tertiary burrowers Procambarus clarkii and Procambarus acutus acutus and are related to the burrowing mechanism employed in their excavation of the burrows. This was accomplished by induced burrowing experiments conducted within large volume pails and aquaria. The burrowing signatures of freshwater North American crayfishes, demonstrated here by these species, is the combination of the architectural and surficial burrow morphologies and the burrowing mechanism employed for excavation, habitation, and maintenance of their burrows. During these experiments adult and juvenile nesting behaviors were observed within the females' burrows. The females oxygenated their young, which were clinging or attached to the pleopods, by waving their pleopods and causing water circulation in the stagnant burrow waters. The juveniles burrowed within the nest and exhibited communal living within the larger structures. The process of natural selection in the nest was dictated by those who hatched and burrowed first and displayed the most aggressive behavior.
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Hasiotis ST. (1995). Notes on the burrow morphologies and nesting behaviors of adults and juveniles of Procambarus clarkii and Procambarus acutus acutus (Decapoda: Cambaridae). Freshwater Crayfish 8(1):623-634. doi: 10.5869/fc.1995.v8.623
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Published Online: 6/1/2020
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