Synchronization in the occurrence of Trichodesmium bloom and swarming of Creseis acicula Rang (Pteropoda) and Penilia avirostris Dana (Cladocera) in the area off Cochin

M. Sakthivel, P. Harida


On 26th March 1973 the occurrence of Trichodesmium bloom was observed over a stretch of more than 40 miles in the area off Cochin, Kerala, India. A dense swarm of Creseis acicula is reported for the first time in the inshore waters off Cochin along with a minor swarm of Penilia avirostris. The synchronization of these three swarms and their economic importance is briefly reviewed


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