{"elementGlobalId":105389,"circumscripConfidence":{"id":1,"circumscripConfidenceDescEn":"1 - Strong","circumscripConfidenceDescEs":"1 - Fuerte","circumscripConfidenceDescFr":"1 – Forte"},"classificationLevel":{"id":7,"classificationLevelNameEn":"Species","classificationLevelNameEs":"Especies","classificationLevelNameFr":"Espèce"},"classificationStatus":{"id":1,"classificationStatusDescEn":"Standard","classificationStatusDescEs":"Estándar","classificationStatusDescFr":"Standard"},"iucn":{"id":11,"iucnDescEn":"Least concern","iucnDescEs":"Menos preocupante","iucnDescFr":"Moins préoccupante","iucnCode":"LC"},"nameCategory":{"id":1,"nameCategoryDescEn":"Vertebrate Animal","nameCategoryDescEs":"Animal vertebrado","nameCategoryDescFr":"Animal vertébré","nameTypeCd":"A","nameTypeDesc":"Zoological"},"rankMethodUsed":null,"formattedScientificName":"<i>Liodytes rigida</i>","scientificName":"Liodytes rigida","scientificNameAuthor":"(Say, 1825)","primaryCommonName":"Glossy Swampsnake","relatedItisNames":"<i>Regina rigida</i> (Say, 1825) (TSN 174123)","uniqueId":"ELEMENT_GLOBAL.2.105389","elcode":"ARADB27030","conceptRefFullCitation":"Ernst, C. H., J. W. Gibbons, and M. E. Dorcas. 2002. Regina. Catalogue of American Amphibians and Reptiles 756:1-4.","conceptName":"<i>Regina rigida</i>","taxonomicComments":"Based on multi-locus nuclear data, McVay and Carstens (2013) resurrected the genus <i>Liodytes</i> for snakes previously referred to <i>Regina alleni</i>, <i>Regina rigida</i>, and <i>Seminatrix pygaea</i>. <br/><br/>Subspecies <i>deltae</i> is weakly differentiated from subspecies <i>sinicola</i> (Dundee and Rossman 1989).","roundedGRank":"G5","conservationStatusFactorsEditionDate":"2006-09-04","conservationStatusFactorsEditionAuthors":"Hammerson, G.","primaryCommonNameLanguage":"EN","recordType":"SPECIES","elementNationals":[{"elementNationalId":165128,"classifConfidence":null,"nation":{"id":225,"nameEn":"United States","nameEs":"Estados Unidos","nameFr":"États-Unis","isoCode":"US","region":"United 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of <30% to increase of 25%","longTermTrendDescEs":"Disminución de <30% a aumento de 25%.","longTermTrendDescFr":"Diminution de <30 % à augmentation de 25 %"},"numberEos":{"id":13,"numberEosDescEn":"81 - 300","numberEosDescEs":"De 81 a 300","numberEosDescFr":"De 81 à 300"},"numberGoodEos":null,"numberProtEos":null,"popSize":null,"rangeExtent":{"id":33,"rangeExtentDescEn":"200,000-2,500,000 square km (about 80,000-1,000,000 square miles)","rangeExtentDescEs":"200.000 a 2.500.000 kilómetros cuadrados (aproximadamente 80.000 a 1.000.000 millas cuadradas)","rangeExtentDescFr":"De 200 000 à 2 500 000 km carrés (de 80 000 à 1 000 000 miles carrés approximativement)"},"shortTermTrend":{"id":40,"shortTermTrendDescEn":"Relatively Stable (<=10% change)","shortTermTrendDescEs":"Relativamente estable (variación = <10%)","shortTermTrendDescFr":"Relativement stable (variation = 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Rev. 24:156-157) to northern Florida, west to eastern Texas and southeastern Oklahoma; most of the range is on the Coastal Plain, except in the northwestern portion (Webb 1970, Mount 1975, Dundee and Rossman 1989, Conant and Collins 1991, Palmer and Braswell 1995, Werler and Dixon 2000, Ernst and Ernst 2003, Gibbons and Dorcas 2004, Trauth et al. 2004).","areaOfOccupancy":null,"areaOfOccupancyComments":null,"numberEosComments":"This species is represented by a large number of occurrences (subpopulations) (see county distribution map in Gibbons and Dorcas 2004). Due to the snake's secretive habits, it is likely that more occurrences are yet to be discovered. For example, this species was not detected in North Carolina until 1954, yet Palmer and Braswell (1995) noted that 51 records were then known from that state.","popSizeComments":"Adult population size is unknown but presumably exceeds 100,000. 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Presumably habitat loss and degradation have caused local declines, but this snake likely is not threatened in most of its range.","shortTermTrendComments":"Trends are largely unknown but, based on habitat considerations, extent of occurrence, area of occupancy, number of subpopulations, and population size probably are relatively stable or declining at a rate of less than 10 percent over 10 years or three generations.","longTermTrendComments":null,"inventoryNeeds":null,"numberProtEosComments":"Many occurrences are in protected areas.","protectionNeeds":null,"otherConsiderations":null,"intrinsicVulnerabilityComments":null,"enviromentalSpecificityComments":null},"animalCharacteristics":{"elementGlobalId":105389,"majorHabitat":{"id":3,"majorHabitatDescEn":"Terrestrial","majorHabitatDescEs":"Terrestre","majorHabitatDescFr":"Terrestre"},"nonMigrant":true,"localMigrant":false,"longDistanceMigrant":false,"mobilityMigrationComments":null,"foodHabitsComments":"Adults eat mainly crayfish, young eat small aquatic invertebrates such as dragonfly larvae; also fishes, frogs, and salamanders (Ashton and Ashton 1981, Mount 1975).","animalPhenologyComments":"Active from March to early November in Texas (Tennant 1984).","colonialBreeder":false,"length":80,"width":null,"weight":null,"animalPhenologies":[{"animalCagPhenologyId":100633,"animalPhenology":{"id":1,"animalPhenologyDescEn":"Hibernates/aestivates","animalPhenologyDescEs":"Hibernación/Estivación","animalPhenologyDescFr":"Hiberne/estive","displayOrder":1},"adult":true,"immature":true},{"animalCagPhenologyId":100634,"animalPhenology":{"id":4,"animalPhenologyDescEn":"Nocturnal","animalPhenologyDescEs":"Nocturno","animalPhenologyDescFr":"Nocturne","displayOrder":4},"adult":true,"immature":true}],"animalFoodHabits":[{"animalCagFoodHabitsId":101293,"foodHabits":{"id":1,"foodHabitsDescEn":"Carnivore","foodHabitsDescEs":"Carnívoro","foodHabitsDescFr":"Carnivore","displayOrder":1},"adult":true,"immature":true},{"animalCagFoodHabitsId":101294,"foodHabits":{"id":3,"foodHabitsDescEn":"Invertivore","foodHabitsDescEs":"Invertívoro","foodHabitsDescFr":"Invertivore","displayOrder":3},"adult":true,"immature":true}]},"occurrenceDelineations":[{"eoSpecsDetailId":1203,"locationUseClass":{"id":1,"locationUseClassDescEn":"Not applicable","locationUseClassDescEs":"No se aplica","locationUseClassDescFr":"Sans objet","displayOrder":1},"eoSpecGroupName":"Small Colubrid Snakes","subtypes":null,"inferredExtentDistance":0.2,"inferredExtentNotes":null,"minimumEoCriteria":"Occurrences are based on evidence of historical presence, or current and likely recurring presence, at a given location. Such evidence minimally includes collection or reliable observation and documentation of one or more individuals (including eggs) in or near appropriate habitat where the species is presumed to be established and  breeding.","mappingGuidance":null,"separationBarriers":"Busy highway or highway with obstructions such that snakes rarely if ever cross successfully; major river, lake, pond, or deep marsh (this barrier does not apply to aquatic or wetland species); densely urbanized area dominated by buildings and pavement.","separationDistanceUnsuitableHabitatat":1.0,"separationDistanceSuitableHabitatat":5.0,"altSeparationProcedure":null,"separationJustification":"Data are limited to only a few species, but small colubrid snakes such as Diadophis punctatus (Fitch 1975) and Carphophis amoenus (Barbour et al. 1969, Clark 1970) generally have relatively small home ranges less than, or much less than, 1 ha. However, because even small snakes occasionally move large distances (e.g., up to at least 1.7 km in Diadophis punctatus, Fitch 1975). Also, these snakes tend to be secretive and may be easily overlooked or not recorded in areas where they do in fact occur. It seems unlikely that occupied locations separated by a gap of less than several kilometers of suitable habitat would represent independent occurrences over the long term.","versionDate":"2004-09-21","versionAuthor":"Hammerson, G.","versionNotes":"This specs group is a somewhat arbitrary assemblage of small snakes that are believed to be among the most sedentary species of the family Colubridae.","lastModified":"2020-04-30T02:04:28.019404Z"}],"plantCharacteristics":null,"elementManagement":{"elementGlobalId":105389,"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":106815,"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":"2020-05-14T02:28:53.371376Z"}],"references":[{"id":107992,"citation":"Alfaro, M. 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Standard common and current scientific names for North American amphibians and reptiles. 3rd ed. Society for the Study of Amphibians and Reptiles. Herpetological Circular No. 19. 41 pp.","shortCitationAuthor":"Collins","shortCitationYear":1990,"referenceCode":"B90COL01NAUS","lastModified":"2020-02-25T14:38:15.579798Z"},{"id":140525,"citation":"Conant, R., and J. T. Collins. 1998. A field guide to reptiles and amphibians: eastern and central North America. Third edition, expanded. Houghton Mifflin Co., Boston, Massachusetts. 616 pp.","shortCitationAuthor":"Conant and Collins","shortCitationYear":1998,"referenceCode":"B98CON01EHUS","lastModified":"2020-02-25T18:11:57.819328Z"},{"id":621810,"citation":"Crother, B. I. (editor). 2008. Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding. Sixth edition. Society for the Study of Amphibians and Reptiles Herpetological Circular 37:1-84. Online with updates at: http://www.ssarherps.org/pages/comm_names/Index.php","shortCitationAuthor":"Crother","shortCitationYear":2008,"referenceCode":"B08CRO01NAUS","lastModified":"2020-02-25T14:38:20.142383Z"},{"id":722484,"citation":"Crother, B. I. (editor). 2012. Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding. 7th edition. SSAR Herpetological Circular 39:1-92.","shortCitationAuthor":"Crother","shortCitationYear":2012,"referenceCode":"B12CRO01NAUS","lastModified":"2020-02-25T18:11:51.08501Z"},{"id":943912,"citation":"Crother, B. I. (editor). 2017. Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding. 8th edition. SSAR Herpetological Circular 43:1-104. [Updates in SSAR North American Species Names Database at: https://ssarherps.org/cndb]","shortCitationAuthor":"Crother","shortCitationYear":2017,"referenceCode":"B17CRO01EHUS","lastModified":"2020-02-25T18:11:53.413199Z"},{"id":132381,"citation":"Dundee, H. A., and D. A. Rossman. 1989. The amphibians and reptiles of Louisiana. Louisiana State University Press, Baton Rouge.","shortCitationAuthor":"Dundee and Rossman","shortCitationYear":1989,"referenceCode":"B89DUN01NAUS","lastModified":"2020-02-25T18:12:01.663271Z"},{"id":169022,"citation":"Ernst, C. H., and E. M. Ernst. 2003. Snakes of the United States and Canada. Smithsonian Books, Washington, D.C.","shortCitationAuthor":"Ernst and Ernst","shortCitationYear":2003,"referenceCode":"B03ERN01NAUS","lastModified":"2020-02-25T18:11:51.08501Z"},{"id":154804,"citation":"Ernst, C. H., J. W. Gibbons, and M. E. Dorcas. 2002. Regina. 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University of Texas Press, Austin. xv + 437 pp.","shortCitationAuthor":"Werler and Dixon","shortCitationYear":2000,"referenceCode":"B00WER01NAUS","lastModified":"2020-02-25T18:11:51.303794Z"}],"otherCommonNames":[{"id":145281,"name":"glossy crayfish snake","language":"EN"},{"id":152728,"name":"Glossy Crayfish Snake","language":"EN"}],"speciesGlobal":{"elementGlobalId":105389,"cites":null,"cosewic":null,"fwsRegion":null,"genusSize":null,"jurisEndem":{"id":3,"jurisEndemDescEn":"endemic to a single nation","jurisEndemDescEs":"Endémico de una nación","jurisEndemDescFr":"Endémique à une nation"},"nomenclaturallyEst":{"id":1,"nomenclaturallyEstDescEn":"Yes","nomenclaturallyEstDescEs":"Sí","nomenclaturallyEstDescFr":"Oui"},"usesa":null,"informalTaxonomy":{"informalTaxonomyId":7,"level1":"Animals","level2":"Vertebrates","level3":"Reptiles","level":3,"hasChildren":false,"parentId":2,"distributionStatus":"complete","displayOrder":1100},"parentSpecies":null,"infraspecies":false,"kingdom":"Animalia","phylum":"Craniata","taxclass":"Reptilia","taxorder":"Squamata","family":"Colubridae","genus":"Liodytes","americanFisheriesStatus":null,"americanFisheriesStatusDate":null,"saraStatus":null,"saraStatusDate":null,"cosewicDate":null,"interpretedCosewic":null,"cosewicComments":null,"usesaDate":null,"interpretedUsesa":null,"usesaComments":null,"completeDistribution":true,"synonyms":[{"id":120670,"synonym":"Regina rigida","synonymAuthor":"(Say, 1825)","formattedSynonym":"<i>Regina rigida</i>"}],"infraspeciesList":[{"infraspeciesId":101676,"uniqueId":"ELEMENT_GLOBAL.2.101676","formattedScientificName":"<i>Liodytes rigida sinicola</i>","scientificName":"Liodytes rigida sinicola","primaryCommonName":"Gulf Swampsnake","nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.101676/Liodytes_rigida_sinicola"},{"infraspeciesId":103700,"uniqueId":"ELEMENT_GLOBAL.2.103700","formattedScientificName":"<i>Liodytes rigida rigida</i>","scientificName":"Liodytes rigida rigida","primaryCommonName":"Eastern Glossy Swampsnake","nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.103700/Liodytes_rigida_rigida"},{"infraspeciesId":103062,"uniqueId":"ELEMENT_GLOBAL.2.103062","formattedScientificName":"<i>Liodytes rigida deltae</i>","scientificName":"Liodytes rigida deltae","primaryCommonName":"Delta Swampsnake","nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.103062/Liodytes_rigida_deltae"}],"ebarId":null,"ebarCanadianScope":false,"ebarGlobalScope":false,"ebarKbaGroup":"Amphibians and Reptiles","caGeneralStatusId":null},"speciesCharacteristics":{"elementGlobalId":105389,"reproductionComments":"Gives birth to 6-16 young in summer (Ashton and Ashton 1981, Behler and King 1979)","ecologyComments":null,"habitatComments":"Habitats include slow waters of lowland areas, such as swamps, nontidal and tidal freshwater marshes, sphagnum bogs, pocosins, seepage wetlands, ponds, lakes, flatwoods ponds, cypress ponds, bayous, rice fields, canals, drainage ditches, mucky areas along streams, and floodplains; also sometimes grassy or wooded upland habitats adjacent to wetlands (Ernst and Ernst 2003, Gibbons and Dorcas 2004). Usually this snake is secluded in burrows (e.g., crayfish, muskrat), under mats of wet vegetation or debris at the water's edge, or among aquatic plants, but occasionally it basks on banks or on vegetation over water. It may travel on land during rain.","generalDescription":null,"diagnosticCharacteristics":null,"speciesMarineHabitats":[],"speciesTerrestrialHabitats":[],"speciesRiverineHabitats":[{"cagRiverineHabId":-101762,"riverineHabitat":{"id":1,"riverineHabitatDescEn":"BIG RIVER","riverineHabitatDescEs":"RÍO GRANDE","riverineHabitatDescFr":"GRANDE RIVIÈRE","displayOrder":1}},{"cagRiverineHabId":-101763,"riverineHabitat":{"id":2,"riverineHabitatDescEn":"MEDIUM RIVER","riverineHabitatDescEs":"RÍO MEDIANO","riverineHabitatDescFr":"MOYENNE RIVIÈRE","displayOrder":2}},{"cagRiverineHabId":-101764,"riverineHabitat":{"id":3,"riverineHabitatDescEn":"CREEK","riverineHabitatDescEs":"ARROYO","riverineHabitatDescFr":"RUISSEAU","displayOrder":3}},{"cagRiverineHabId":-101765,"riverineHabitat":{"id":7,"riverineHabitatDescEn":"Low gradient","riverineHabitatDescEs":"Pendiente de bajo flujo","riverineHabitatDescFr":"Pente d’écoulement faible","displayOrder":7}}],"speciesPalustrineHabitats":[{"cagPalusHabId":-100916,"palustrineHabitat":{"id":2,"palustrineHabitatDescEn":"HERBACEOUS WETLAND","palustrineHabitatDescEs":"HUMEDAL HERBÁCEO","palustrineHabitatDescFr":"TERRE HUMIDE HERBACÉE","displayOrder":2}},{"cagPalusHabId":-100917,"palustrineHabitat":{"id":3,"palustrineHabitatDescEn":"SCRUB-SHRUB WETLAND","palustrineHabitatDescEs":"HUMEDAL DE MATORRALES","palustrineHabitatDescFr":"FRUTICÉE HUMIDE","displayOrder":3}},{"cagPalusHabId":-100918,"palustrineHabitat":{"id":4,"palustrineHabitatDescEn":"FORESTED WETLAND","palustrineHabitatDescEs":"HUMEDAL BOSCOSO","palustrineHabitatDescFr":"TERRE HUMIDE FORESTIÈRE","displayOrder":4}},{"cagPalusHabId":-100919,"palustrineHabitat":{"id":6,"palustrineHabitatDescEn":"Riparian","palustrineHabitatDescEs":"Ribereño","palustrineHabitatDescFr":"Riverain","displayOrder":6}}],"speciesLacustrineHabitats":[{"cagLacusHabId":-100170,"lacustrineHabitat":{"id":2,"lacustrineHabitatDescEn":"Shallow water","lacustrineHabitatDescEs":"Aguas poco profundas","lacustrineHabitatDescFr":"Eau peu profonde","displayOrder":2}}],"speciesSubterraneanHabitats":[],"speciesEstuarineHabitats":[]},"primaryReference":{"id":943912,"citation":"Crother, B. I. (editor). 2017. Scientific and standard English names of amphibians and reptiles of North America north of Mexico, with comments regarding confidence in our understanding. 8th edition. SSAR Herpetological Circular 43:1-104. [Updates in SSAR North American Species Names Database at: https://ssarherps.org/cndb]","shortCitationAuthor":"Crother","shortCitationYear":2017,"referenceCode":"B17CRO01EHUS","lastModified":"2020-02-25T18:11:53.413199Z"},"predecessors":[],"elementGlobalThreatAssessments":[]}