“Crab Jubilee” subsequent to red tide of Noctiluca scintillans along the central Kerala coast (SW coast of India)

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“Crab Jubilee” subsequent to red tide of Noctiluca scintillans along the central Kerala coast (SW coast of India)
K.B. Padmakumar, Lathika Cicily Thomas, Anil Kumar Vijayan, M. Sudhakar (Indian Journal of Geo Marine Sciences- Nov 2016)
Abstract

Jubilee” is an unusual phenomenon which brings the demersal fishes and crustacean shoreward from the depths into shallow waters of the shoreline in a depressed or moribund state for several minutes or hours and seldom killed. The term jubilee was first used in the scientific literature by Loesch1 for describing the sporadic shoreward migration of demersal organisms in Mobile Bay (Gulf of Mexico). He considered the depletion of oxygen as the reason for this phenomenon. Later, May2 confirmed the extensive oxygen depletion because of salinity stratification in Mobile Bay, as the cause for the so called jubilee phenomenon. Only very few reports are available on jubilee phenomenon from the world ocean such as, Mobile Bay- Gulf of Mexico1,2,3, Walvis Bay- Southwest Africa4 and from Florida coast5. There is no published report on jubilee from the Indian EEZ.