a close up photo taken on a ploughshare tortoise shell pattern

amphibian amphibians angonoka angulated big breed brown captivity carapace close closeup conservation crawl critically dark detail detailed details domed endangered extinct extinction hard heavy huge land large life light long longevity macro madagascar micro pattern patterns ploughshare poach poached poaching reptile reptiles resilience resilient scale scales shell shells singapore slow snail some species time tortoise tortoises tough zoo