Arcania heptacantha is reported and described herein for the first time from the west coast of India. Earlier only one species of the genus Arcania was reported from the West coast of India. A. heptacantha is different from closely resembled species

Despite high proportion of shell fisheries for livelihood and food security, documentation of brachyuran crabs from Devi estuary, east coast of India, recognized as ‘arribada’ of Olive Ridley turtles, remains sparse. To deal with this gap, 3-year investigation

For mangroves with almost no tidal influence and a subsequent mosaic vegetation structure we describe the relation between propagule predators and both vegetation structure and environmental factors on a vegetation assemblage or ‘forest patch’ level.