Invertebrates Flora Botanical gardens Civil societies Sri Lanka is an island close to the southern end of India with a tropical environment.
It is very complicated and difficult to summarize the exact number of species found within a certain region.
Phylum: Arthropoda Subphylum: Crustacea Class: Malacostraca Order: Decapoda Sri Lanka's freshwater crab fauna is extremely important to the island, due to its endemism.
All recorded 51 species, along with five genera, are totally endemic to Sri Lanka.
[1][2] 98% of those crabs are IUCN categorized as threatened, endangered or critically endangered animals due to habitat declining, capturing for food, illegal collecting and exotic species.