Scylla (crab)
Encyclopedia
Scylla is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of swimming crabs
Portunidae
Portunidae is a family of crabs which contains the swimming crabs.-Description:Portunid crabs are characterised by the flattening of the fifth pair of legs into broad paddles, which are used for swimming...

, comprising four species, of which S. serrata
Scylla serrata
Scylla serrata is an economically important crab species found in the estuaries and mangroves of Africa, Australia and Asia. In their most common form, the shell colour varies from a deep, mottled green to very dark brown...

is the most widespread. They are found across the Indo-West Pacific
Indo-Pacific
The Indo-Pacific is a biogeographic region of the Earth's seas, comprising the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the seas connecting the two in the general area of Indonesia...

. The four species are:
  • Scylla olivacea (Herbst, 1796)
  • Scylla paramamosain
    Scylla paramamosain
    Scylla paramamosain is a mud crab commonly consumed in southeast Asia.-Distribution:Scylla paramamosain is found in Japan, Taiwan, China , Vietnam, Cambodia, Singapore and Indonesia. It is now produced by aquaculture farms in southern Vietnam.-Taxonomy:Scylla paramamosain was described by Eulogio P...

    Estampador, 1949
  • Scylla serrata
    Scylla serrata
    Scylla serrata is an economically important crab species found in the estuaries and mangroves of Africa, Australia and Asia. In their most common form, the shell colour varies from a deep, mottled green to very dark brown...

    (Forskål, 1775)
  • Scylla tranquebarica
    Scylla tranquebarica
    Scylla tranquebarica, is a species mangrove crab in the genus Scylla. Scylla tranquebarica, one of several crabs known as the mud crab, is found in mangrove areas from Pakistan and Taiwan to the Malay Archipelago....

    (Fabricius, 1798)
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