Note on an abnormality in the penaeid prawn Metapenaeus monoceros Fabricus

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 e...

Full description

Bibliographic Details
Main Author: George, M J
Format: Article in Journal/Newspaper
Language:English
Published: MBAI 1963
Subjects:
Online Access:http://eprints.cmfri.org.in/1653/
http://eprints.cmfri.org.in/1653/1/George_145-146.pdf
Description
Summary: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.