| Summary: | Not Available Abnormalities extending more or less to hermaphroditism have been observed in the Decapoda by several authors. A number of the pandalid prawns are normally protandrous hermaphrodites. Among records of ,nonfunctional hermaphrodites either with internal organs only affected or with both internal and external modifications, the observations of Hay (1905) in the crayfish Cambarus sp., Ridewood (1909) in Homarus vulgaris, Marshall (1902) in the Norway lobster Nephrops norvegicus, Matsumoto (1955) in the crab Potamon dehaani, Gordon (1957) in the lobster Homarus gammarus and Hartnoll (1960) in the spider crab Hyas coarctatus, may be mentioned. Not Available
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