Occurrence of swarms of Sagitta enflata (Chaetognatha) and Pleurobrachia globosa (Ctenophora) in the coastal waters of Goa

S.C. Goswami


Swarms of Chaetognatha Sagitta enflata Grassi and Ctenophore Pleurobrachia globosa . Moser were studied in coastal waters of Goa. These two forms together constituted 90 to 94% of total biomass. Medusae and Siphonophora were the other main groups and preponderance of carnivores was evident in the zooplankton samples. The economic importance of coincident occurrence of aggregations of chaetognaths and ctenophores is briefly reviewed


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