Because man also evolved from out of the sea, our interest in sand crabs and their physical and biochemical adaptability stems from an interest in ourselves. And so there is a lot of research being conducted around the world on land crabs.
由於人類也由海中演化成為陸生動物，基於對自我生命起源的好奇與探索，使人們急欲了解在海、陸間過渡的沙蟹，在生理、生化上的適應情形，因此目前國際上對陸生螃蟹的研究很多。