Trying to ID both individuals, not sure if same species.
There were many crabs on the clear path/road and seemed like they had come out from the Mangrove habitat.
About 2-5 cm
I found these green coloured round things growing on rocks at the shores of Dana Pani beach, Mumbai.
What is the species of this organism? Is it an algae, lichen, fungi, bryophyte or a green bivalve?