| 词条 | Portunus sanguinolentus |
| 释义 |
| name = Three-spot swimming crab | image = Portunus sanguinolentus.jpg | image_caption = | regnum = Animalia | phylum = Arthropoda | subphylum = Crustacea | classis = Malacostraca | ordo = Decapoda | infraordo = Brachyura | familia = Portunidae | genus = Portunus | species = P. sanguinolentus | binomial = Portunus sanguinolentus | binomial_authority = (Herbst, 1783) | synonyms = *Cancer raihoae Curtiss, 1938
}} The three-spot swimming crab (Portunus sanguinolentus), also known as the blood-spotted swimming crab or red-spotted swimming crab,[1] is a large crab found throughout estuaries of the Indian and West Pacific Oceanic countries. DistributionA cosmopolitan species widely distributed all major water of the world, found through Red Sea, Persian Gulf, Mozambique, South Africa, Madagascar, Mauritius, Pakistan, India, Maldives, Sri Lanka, Andaman Islands, Myanmar, Malay Peninsula, Thailand, Japan, Korea, Taiwan, China, Singapore, Indonesia, Philippines, Java, Australia, and Hawaii.[2] SubspeciesTwo subspecies are recognized:[3]
DescriptionA large crab with 15–20 cm of maximum length. Greyish green carapace is very broad and characterized by 3 red spots in posterior half. A strong spine can be seen on each side. Swimming legs are flattened and claws are long.[4] EcologyPrimarily a carnivore, found in marine waters and intertidal zone by juveniles. Inhabits sandy to muddy substrates. It is a harmless crab, but being pinched by its claws can be painful. Commercially harvested as an edible crab species in many countries.[5] References{{Commons category|Portunus sanguinolentus}}1. ^{{cite web | url=http://www.sealifebase.org/comnames/CommonNamesList.php?ID=26815&GenusName=Portunus&SpeciesName=sanguinolentus&StockCode=856 | title=Common names of Portunus sanguinolentus | publisher=Sea Life Base | accessdate=1 November 2016}} {{Taxonbar|from=Q4474243}}{{crab-stub}}2. ^{{cite web | url=http://species-identification.org/species.php?species_group=crabs_of_japan&id=1102 | title=Blood-spotted swimming crab (Portunus sanguinolentus) | publisher=marine species identification portal | accessdate=1 November 2016}} 3. ^{{cite web | url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=208794 | title=Portunus (Portunus) sanguinolentus (Herbst, 1783) | publisher=WoRMS | accessdate=1 November 2016}} 4. ^{{cite web | url=http://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:afd.taxon:e902b25b-08bd-4824-b24b-e9d1ac45fb6a | title=Description of Portunus (Portunus) sanguinolentus (Herbst, 1783) | publisher=The Atlas of Living Australia | accessdate=1 November 2016}} 5. ^{{cite web | url=http://www.sealifebase.org/summary/Portunus-sanguinolentus.html | title=three-spot swimming crab | publisher=Sea Life Base | accessdate=1 November 2016}} 3 : Portunoidea|Crustaceans described in 1783|Cosmopolitan arthropods |
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