'Central Marine Fisheries Research Institute, Kochi'
Abstract
Intense greenish brown coloured bloom was
noticed in the Arabian Sea along the Calicut coast,
on 27.09.2011, which lasted up to 17.10.2011
(Fig. 1). The blooming organism was identified as
the “green tide” forming alga, Chattonella marina
(Subrahmanyan) Hara & Chihara,1982. Fresh
samples when observed under microscope which
exhibited active movement aided by flagella and
had many bright green disc shaped chromatophores
distributed throughout the cell (Fig. 2). The samples
when preserved in formalin, formed a jelly like mass
