 Palm Civet and Small Indian Civet are significant in and around East Calcutta Wetlands.Approximately 20 mammals are reported from this region.Snakes found in the East Calcutta Wetland include Checkered keel back (Fowlea piscator), Smooth water snake (Enhydris enhydris), Buff striped keel back (Amphiesma stolata) and Bronze back tree snake (Tendrelaphis pristis) It is the Type locality of a mammalian species, called Salt Lake Marsh Mongoose.