Identification of groupers based on pyloric caeca differentiation


  • T. S. C. Roy,

    Corresponding author
    1. Centre for Marine Science & Technology (CMST), M.S. University, Rajakkamangalam 629502, Kanyakumari District, Tamil Nadu, India
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    • Present address: Zoological Survey of India – Andaman & Nicobar Regional Centre, Haddo, Port Blair 744102, Andaman & Nicobar Islands, India

  • A. Gopalakrishnan

    1. National Bureau of Fish Genetic Resources (NBFGR) Cochin Unit, CMFRI Campus, P. B. No. 1603, Kochi 682 018, Kerala, India
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The examination of nine species of groupers present in south-east Indian waters has indicated that the pyloric caeca number, pattern and colouration are reliable and useful characters for identification. Three distinct morphotypes of pyloric caeca were observed in this study.