Animalia > Arthropoda > Malacostraca > Decapoda > Portunoidea > Portunidae > Portunus > Portunus pelagicus

Portunus pelagicus (flower crab)

Synonyms: Cancer cedonulli; Cancer pelagicus; Lupa pelagica; Neptunus pelagicus; Portunus denticulatus

Wikipedia Abstract

Portunus pelagicus, also known as the flower crab, blue crab, blue swimmer crab, blue manna crab or sand crab, rajungan in Indonesian, and alimasag in Tagalog, is a large crab found in the intertidal estuaries of the Indian and West Pacific Oceans, and as a Lessepsian migrant in the eastern Mediterranean Sea. The name "flower crab" is used in east Asian countries while the latter names are used in Australia. The crabs are widely distributed in eastern Africa, Southeast Asia, East Asia, Australia, Persian Gulf, New Zealand and Indonesia.
View Wikipedia Record: Portunus pelagicus



Prey / Diet


Dromas ardeola (Crab-plover)[4]
Portunus pelagicus (flower crab)[3]
Scylla serrata (giant mud crab)[5]


Parasitized by 
Hematodinium australis <Unverified Name>[6]
Melogonimus rhodanometra[7]
Sacculina granifera <Unverified Name>[6]

External References



Attributes / relations provided by
1Fish diets and food webs in the Swan–Canning estuary, River Science July 2009, Department of Water, Government of Western Australia
2Food segregation in three species of portunid crabs, R. S. S. Wu & P. K. S. Shin, Hydrobiologia 362: 107–113, 1998.
3Dietary composition of the blue swimmer crab Portunus pelagicus L. Does it vary with body size and shell state and between estuaries?, S. de Lestang, M.E. Platell, I.C. Potter, J. Exp. Mar. Biol. Ecol. 246 (2000) 241–257
4Foraging Behaviour of the Crab Plover Dromas ardeola at Ko Libong, Southern Thailand, C. Swennen, N. Ruttanadakul, S. Ardseungnurn and J.R. Howes, Natural History Bulletin of the Siam Society, 35: 27 - 33
5Prasad PN, Neelakantan B. (1988) Food and feeding of the mud crab Scylla serrata Forskal (Decapoda: Portunidae) from Karwar waters. Indian J Fish 35: 164-170
6Species Interactions of Australia Database, Atlas of Living Australia, Version ala-csv-2012-11-19
7Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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