The Purple Princess Crab, scientifically known as the Sirindhorn Crab (Thaiphusa sirikit), is indeed a rare freshwater crab species found in Thailand. It was named in honor of Princess Maha Chakri Sirindhorn, a member of the Thai royal family. Its vivid purple, white, and black coloration is real and noteworthy — these crabs live in clean, unpolluted streams, making their presence a sign of a healthy ecosystem. #crabs | Did You Know Facts