A global community of nature enthusiasts
photographing and learning about wildlife
A distinctive crab with a mottled carapace that gets darker as it ages. The younger ones also have more vibrant front claws, as you can see in photo 4. I think what you see on the underside in photo 5 shows the gills. Some were in the trees as is typical of this species, but many were on the ground. I don't normally see so many on the ground. The other strange thing was I came across two that were on their backs on the ground. I flipped them over, and they were alive. One possibility is that they were cold, as this was a fairly cold day, preceded by a couple even colder ones that were freezing temperature.
On the lime rock and empty oyster shells near a mangrove-domainted shoreline. Brackish or salt water nearby. A large part of their diet is mangrove leaves (although they are omnivorous), which is why they prefer to live in the mangroves.