Slightly larger than a fingernail and with hooked legs for mating, meet Hong Kong’s first native tree-climbing crab

Marine ecologists have discovered the first tree-climbing crab native to Hong Kong. The Haberma tingkok, slightly larger than a fingernail, was spotted last summer crawling along the branches of mangroves in Ting Kok – a coastal area facing Tolo Harbour in the New Territories. While there are 15 to 20 other species of crabs worldwide that can climb trees, the Haberma tingkok is more closely related to two other species, sharing the unusual characteristic of hooked legs in the male...