Crab-eating macaque has not. Despite their name, crab-eating macaques typically do not consume crabs as their main food source; rather, they are opportunistic omnivores, eating a variety of animals and plants. Although fruits and seeds make up 60 - 90% of their diet, they also eat leaves, flowers, roots, and bark. They sometimes prey on vertebrates (including bird chicks, nesting female birds, lizards, frogs, and fish), invertebrates, and bird eggs. In Indonesia, the species has become a proficient swimmer and diver for crabs and other crustaceans in mangrove swamps. A study in Bukit Timah, Singapore recorded a diet consisting of 44% fruit,
Velvet crab Velvet crab The velvet crab is alternately "velvet swimming crab", "devil crab" or "lady crab," Necora puber, is a species of crab. It is the largest of the swimming crab family (Portunidae) found in British coastal waters. It has a carapace width of up to , and is the only species in the genus Necora. Its body is coated with short hairs, giving the animal a velvety texture, hence the common name. It is one of the major crab species for United Kingdom fisheries, in spite of its relatively small size. The velvet crab lives from southern Norway to Western