{"elementGlobalId":870316,"circumscripConfidence":null,"classificationLevel":{"id":7,"classificationLevelNameEn":"Species","classificationLevelNameEs":"Especies","classificationLevelNameFr":"Espèce"},"classificationStatus":{"id":1,"classificationStatusDescEn":"Standard","classificationStatusDescEs":"Estándar","classificationStatusDescFr":"Standard"},"iucn":null,"nameCategory":{"id":2,"nameCategoryDescEn":"Invertebrate Animal","nameCategoryDescEs":"Animal invertebrado","nameCategoryDescFr":"Animal invertébré","nameTypeCd":"A","nameTypeDesc":"Zoological"},"rankMethodUsed":null,"formattedScientificName":"<i>Cherax quadricarinatus</i>","scientificName":"Cherax quadricarinatus","scientificNameAuthor":"(von Martens, 1868)","primaryCommonName":"Red Claw Crayfish","relatedItisNames":null,"uniqueId":"ELEMENT_GLOBAL.2.870316","elcode":"ICMALD8010","conceptRefFullCitation":"Morningstar, C.R., W.M. Daniel, M.E. Neilson, and A.K. Yazaryan. 2020. The first occurrence of the Australian redclaw crayfish <i>Cherax quadricarinatus</i> (von Martens, 1868) in the contiguous United States. BioInvasions Records 9(1):120-126.","conceptName":"<i>Cherax quadricarinatus</i>","taxonomicComments":null,"roundedGRank":"GNR","conservationStatusFactorsEditionDate":null,"conservationStatusFactorsEditionAuthors":null,"primaryCommonNameLanguage":"EN","recordType":"SPECIES","elementNationals":[{"elementNationalId":1226299,"classifConfidence":null,"nation":{"id":225,"nameEn":"United States","nameEs":"Estados Unidos","nameFr":"États-Unis","isoCode":"US","region":"United States"},"roundedNRank":"NNA","elementSubnationals":[{"elementSubnationalId":1226300,"subnation":{"id":7,"nameEn":"California","nameEs":"California","nameFr":"Californie","subnationCode":"CA","dnationId":225},"roundedSRank":"SNA","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNA","speciesSubnational":{"elementSubnationalId":1226300,"hybrid":false,"exotic":true,"native":false}}],"nrankReviewYear":null,"nrank":"NNA","speciesNational":{"elementNationalId":1226299,"exotic":true,"native":false}}],"lastModified":"2026-10-02T22:59:06.102591Z","lastPublished":"2026-10-02T21:32:08.892226Z","promotionalDescription":null,"conceptLineageSummary":null,"nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.870316/Cherax_quadricarinatus","grankAdjustmentReasons":null,"grankChangeDate":null,"grankReviewDate":null,"grankReasons":null,"grank":"GNR","rankInfo":{"elementGlobalId":870316,"aooPercentGood":null,"enviromentalSpecificity":null,"intrinsicVulnerability":null,"longTermTrend":null,"numberEos":null,"numberGoodEos":null,"numberProtEos":null,"popSize":null,"rangeExtent":null,"shortTermTrend":null,"threatImpactAssigned":null,"rangeExtentComments":"This species is native to Australia, and can be found in freshwater creeks and water bodies in tropical Queensland, the Northern Territory and southeastern Papua New Guinea (Coughran and Leckie 2007). It is introduced in Puerto Rico and established in northern Mexico (Bortolini et al. 2007). Morningstar et al. (2020) report the first known introduction in the contiguous United States in Lake Balboa, Los Angeles, California. It had not previously been found in the wild in Canada or the contiguous United States (although present in aquaculture; Hauck et al. 2001).","areaOfOccupancy":null,"areaOfOccupancyComments":null,"numberEosComments":null,"popSizeComments":null,"viabilityComments":null,"threatImpactComments":null,"shortTermTrendComments":null,"longTermTrendComments":null,"inventoryNeeds":null,"numberProtEosComments":null,"protectionNeeds":null,"otherConsiderations":null,"intrinsicVulnerabilityComments":null,"enviromentalSpecificityComments":null},"animalCharacteristics":{"elementGlobalId":870316,"majorHabitat":{"id":2,"majorHabitatDescEn":"Freshwater","majorHabitatDescEs":"Agua dulce","majorHabitatDescFr":"Eau douce"},"nonMigrant":false,"localMigrant":false,"longDistanceMigrant":false,"mobilityMigrationComments":null,"foodHabitsComments":null,"animalPhenologyComments":null,"colonialBreeder":false,"length":null,"width":null,"weight":null,"animalPhenologies":[],"animalFoodHabits":[]},"occurrenceDelineations":[{"eoSpecsDetailId":-1,"locationUseClass":null,"eoSpecGroupName":"Default","subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":null,"minimumEoCriteria":null,"mappingGuidance":null,"separationBarriers":null,"separationDistanceUnsuitableHabitatat":1.0,"separationDistanceSuitableHabitatat":1.0,"altSeparationProcedure":null,"separationJustification":null,"versionDate":null,"versionAuthor":null,"versionNotes":null,"lastModified":"2020-02-25T14:20:12.251048Z"}],"plantCharacteristics":null,"elementManagement":{"elementGlobalId":870316,"eoManagementGroupName":null,"stewardshipOverview":null,"impacts":null,"restorationPotential":null,"siteConservationPlansConsidered":null,"managementMethods":null,"monitoringMethods":null,"managementProgramContacts":null,"monitoringProgramContacts":null,"managementResearchPrograms":null,"managementResearchNeeds":null,"biologicalResearchNeeds":null,"additionalTopics":null},"occurrenceViabilities":[{"eoRankSpecsDetailId":187443,"eoRankSpecsGroupName":null,"locationUseClass":{"id":1,"locationUseClassDescEn":"Not applicable","locationUseClassDescEs":"No se aplica","locationUseClassDescFr":"Sans objet","displayOrder":1},"excellentViability":null,"goodViability":null,"fairViability":null,"poorViability":null,"viabilityJustification":"Use the Generic Guidelines for the Application of Occurrence Ranks (2008).<br>The Key for Ranking Species Occurrences Using the Generic Approach provides a step-wise process for implementing this method.","versionDate":null,"versionAuthor":null,"versionNotes":null,"lastModified":"2022-02-05T03:16:48.557069Z"}],"references":[{"id":1109357,"citation":"Bortolini, J. L., F. Alvarez, and G. Rodriguez-Almaraz. 2007. On the presence of the Australian redclaw crayfish, <i>Cherax quadricarinatus</i>, in Mexico. Biological Invasions 9:615-620.","shortCitationAuthor":"Bortolini et al.","shortCitationYear":2007,"referenceCode":"A07BOR02NAUS","lastModified":"2022-02-05T03:16:48.572508Z"},{"id":1109356,"citation":"Coughran, J., and S. R. Leckie. 2007. Invasion of a New South Wales stream by the tropical crayfish, <i>Cherax quadricarinatus</i> (von Martens). In: Lunney D, Eby P, Hutchings P, Burgin S (eds), Pest or Guest: the Ecology of Overabundance. Royal Zoological Society of New South Wales, Australia. Pages 40-46.","shortCitationAuthor":"Coughran and Leckie","shortCitationYear":2007,"referenceCode":"A07COU02NAUS","lastModified":"2022-02-05T03:16:48.572508Z"},{"id":997755,"citation":"Crandall, K. A., and S. De Grave. 2017. An updated classification of the freshwater crayfishes (Decapoda: Astacidea) of the world, with a complete species list. Journal of Crustacean Biology 37(5):615-653.","shortCitationAuthor":"Crandall and De Grave","shortCitationYear":2017,"referenceCode":"A17CRA02EHUS","lastModified":"2020-02-25T18:27:54.755638Z"},{"id":677472,"citation":"Fetzner, J. W., Jr. 2011. The crayfish and lobster taxonomy browser: A global taxonomic resource for freshwater crayfish and their closest relatives. Accessed: 26 October 2011. http://iz.carnegiemnh.org/crayfish/NewAstacidea/","shortCitationAuthor":"Fetzner","shortCitationYear":2011,"referenceCode":"W11FET01EHUS","lastModified":"2022-02-05T03:16:48.572508Z"},{"id":1109358,"citation":"Hauck, A. K., M. R. Marshall, J. K. K. Li, and R. A. Lee. 2001. A new finding and range extension of bacilliform virus in the freshwater redclaw crayfish in Utah, USA. Journal of Aquatic Animal Health 13:158-162.","shortCitationAuthor":"Hauck et al.","shortCitationYear":2001,"referenceCode":"A01HAU01NAUS","lastModified":"2022-02-05T03:16:48.572508Z"},{"id":1109355,"citation":"Morningstar, C.R., W.M. Daniel, M.E. Neilson, and A.K. Yazaryan. 2020. The first occurrence of the Australian redclaw crayfish <i>Cherax quadricarinatus</i> (von Martens, 1868) in the contiguous United States. BioInvasions Records 9(1):120-126.","shortCitationAuthor":"Morningstar et al.","shortCitationYear":2020,"referenceCode":"A20MOR01NAUS","lastModified":"2022-02-05T03:16:48.572508Z"}],"otherCommonNames":[{"id":136821,"name":"Tropical Blue Crayfish","language":"EN"}],"speciesGlobal":{"elementGlobalId":870316,"cites":null,"cosewic":null,"fwsRegion":null,"genusSize":{"id":4,"genusSizeDescEn":"Medium to large genus","genusSizeDescEs":"Género de mediano a grande","genusSizeDescFr":"Moyen à grand genre"},"jurisEndem":{"id":3,"jurisEndemDescEn":"endemic to a single nation","jurisEndemDescEs":"Endémico de una nación","jurisEndemDescFr":"Endémique à une nation"},"nomenclaturallyEst":null,"usesa":null,"informalTaxonomy":{"informalTaxonomyId":18,"level1":"Animals","level2":"Crayfish, Shrimp, & Other Crustaceans","level3":"Crayfishes","level":3,"hasChildren":false,"parentId":16,"distributionStatus":"complete","displayOrder":2120},"parentSpecies":null,"infraspecies":false,"kingdom":"Animalia","phylum":"Arthropoda","taxclass":"Malacostraca","taxorder":"Decapoda","family":"Parastacidae","genus":"Cherax","americanFisheriesStatus":null,"americanFisheriesStatusDate":null,"saraStatus":null,"saraStatusDate":null,"cosewicDate":null,"interpretedCosewic":null,"cosewicComments":null,"usesaDate":null,"interpretedUsesa":null,"usesaComments":null,"completeDistribution":true,"synonyms":[],"infraspeciesList":[],"ebarId":null,"ebarCanadianScope":false,"ebarGlobalScope":false,"ebarKbaGroup":"Invertebrates","caGeneralStatusId":null},"speciesCharacteristics":{"elementGlobalId":870316,"reproductionComments":null,"ecologyComments":null,"habitatComments":null,"generalDescription":null,"diagnosticCharacteristics":null,"speciesMarineHabitats":[],"speciesTerrestrialHabitats":[],"speciesRiverineHabitats":[],"speciesPalustrineHabitats":[],"speciesLacustrineHabitats":[],"speciesSubterraneanHabitats":[],"speciesEstuarineHabitats":[]},"primaryReference":{"id":997755,"citation":"Crandall, K. A., and S. De Grave. 2017. An updated classification of the freshwater crayfishes (Decapoda: Astacidea) of the world, with a complete species list. Journal of Crustacean Biology 37(5):615-653.","shortCitationAuthor":"Crandall and De Grave","shortCitationYear":2017,"referenceCode":"A17CRA02EHUS","lastModified":"2020-02-25T18:27:54.755638Z"},"predecessors":[],"elementGlobalThreatAssessments":[]}