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Effect of Desiccation on Mangrove Prosobranch: Tympanotonus fuscatus var fuscatus (Linnaeus, 1758) under Laboratory Condition

並列摘要


This study was undertaken in order to determine the effect of desiccation on the survival of Tympanotonus fuscatus var fuscatus. The experiment was conducted in the laboratory for a period of six weeks. The snails kept in feed bags survived longer periods of six weeks than those in polythene bags (4 weeks), and those in plastic tray (3 weeks). The organisms during the period became inactive and withdraw into its shell, the behavior reduces water loss. Results however showed that T. fuscatus var fuscatus can survive for weeks of starvation and desiccation. T. fuscatus var fuscatus is amphibious and can survive long period without water making use of their reserved food. Fisher folks and fish traders have exploited these biological attributes of the animal as it is preserved over long period in perforated sac bags, transported to market for trade. The different condition of exposure was designed to imitate the conditions that the periwinkles are exposed to during their transportation to the market.

並列關鍵字

Snails starvation survive withdraw

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