{"elementGlobalId":103059,"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":{"id":4,"rankMethodUsedDescEn":"Expertise without calculation","rankMethodUsedDescEs":null,"rankMethodUsedDescFr":null,"rankMethodUsedExternalDescEn":"Ranked by inspection","rankMethodUsedExternalDescEs":null,"rankMethodUsedExternalDescFr":null},"formattedScientificName":"<i>Stenella coeruleoalba</i>","scientificName":"Stenella coeruleoalba","scientificNameAuthor":"(Meyen, 1833)","primaryCommonName":"Striped Dolphin","relatedItisNames":"<i>Stenella coeruleoalba</i> (Meyen, 1833) (TSN 180434)","uniqueId":"ELEMENT_GLOBAL.2.103059","elcode":"AMAGE01050","conceptRefFullCitation":"Wilson, D. E., and D. M. Reeder (editors). 1993. Mammal species of the world: a taxonomic and geographic reference. Second edition. Smithsonian Institution Press, Washington, DC. xviii + 1206 pp. Available online at: http://www.nmnh.si.edu/msw/.","conceptName":"<i>Stenella coeruleoalba</i>","taxonomicComments":null,"roundedGRank":"G5","conservationStatusFactorsEditionDate":null,"conservationStatusFactorsEditionAuthors":null,"primaryCommonNameLanguage":"EN","recordType":"SPECIES","elementNationals":[{"elementNationalId":163411,"classifConfidence":null,"nation":{"id":225,"nameEn":"United States","nameEs":"Estados Unidos","nameFr":"États-Unis","isoCode":"US","region":"United States"},"roundedNRank":"NU","elementSubnationals":[{"elementSubnationalId":393414,"subnation":{"id":11,"nameEn":"Delaware","nameEs":"Delaware","nameFr":"Delaware","subnationCode":"DE","dnationId":225},"roundedSRank":"SNA","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNA","speciesSubnational":{"elementSubnationalId":393414,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":373961,"subnation":{"id":44,"nameEn":"Oregon","nameEs":"Oregón","nameFr":"Oregon","subnationCode":"OR","dnationId":225},"roundedSRank":"SNA","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNA","speciesSubnational":{"elementSubnationalId":373961,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":275623,"subnation":{"id":1,"nameEn":"Alaska","nameEs":"Alaska","nameFr":"Alaska","subnationCode":"AK","dnationId":225},"roundedSRank":"SNA","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNA","speciesSubnational":{"elementSubnationalId":275623,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":809905,"subnation":{"id":24,"nameEn":"Massachusetts","nameEs":"Massachusetts","nameFr":"Massachusetts","subnationCode":"MA","dnationId":225},"roundedSRank":"S2","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S2","speciesSubnational":{"elementSubnationalId":809905,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":379966,"subnation":{"id":25,"nameEn":"Maryland","nameEs":"Maryland","nameFr":"Maryland","subnationCode":"MD","dnationId":225},"roundedSRank":"SNA","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNA","speciesSubnational":{"elementSubnationalId":379966,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":395710,"subnation":{"id":7,"nameEn":"California","nameEs":"California","nameFr":"Californie","subnationCode":"CA","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":395710,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":306621,"subnation":{"id":34,"nameEn":"North Carolina","nameEs":"Carolina del Norte","nameFr":"Caroline du Nord","subnationCode":"NC","dnationId":225},"roundedSRank":"SNA","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNA","speciesSubnational":{"elementSubnationalId":306621,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":390059,"subnation":{"id":12,"nameEn":"Florida","nameEs":"Florida","nameFr":"Floride","subnationCode":"FL","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":390059,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":364780,"subnation":{"id":48,"nameEn":"South Carolina","nameEs":"Carolina del Sur","nameFr":"Caroline du Sud","subnationCode":"SC","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":364780,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":311848,"subnation":{"id":41,"nameEn":"New York","nameEs":"Nueva York","nameFr":"New York","subnationCode":"NY","dnationId":225},"roundedSRank":"SNRN","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNRN","speciesSubnational":{"elementSubnationalId":311848,"hybrid":false,"exotic":false,"native":true}}],"nrankReviewYear":1997,"nrank":"NU","speciesNational":{"elementNationalId":163411,"exotic":false,"native":true}}],"lastModified":"2026-10-02T21:40:30.300157Z","lastPublished":"2026-10-02T21:32:08.892226Z","promotionalDescription":null,"conceptLineageSummary":null,"nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.103059/Stenella_coeruleoalba","grankAdjustmentReasons":null,"grankChangeDate":"1996-11-15","grankReviewDate":"2016-04-05","grankReasons":null,"grank":"G5","rankInfo":{"elementGlobalId":103059,"aooPercentGood":null,"enviromentalSpecificity":null,"intrinsicVulnerability":null,"longTermTrend":null,"numberEos":null,"numberGoodEos":null,"numberProtEos":null,"popSize":null,"rangeExtent":null,"shortTermTrend":null,"threatImpactAssigned":null,"rangeExtentComments":"Tropical, subtropical, and warm temperate oceans. Reportedly the most common cetacean in Mediterranean Sea. Proposed discrete stocks: one off South Africa, one or two in the eastern tropical Pacific, and another in the western North Pacific (see IUCN 1991). Widely distributed and relatively common.","areaOfOccupancy":null,"areaOfOccupancyComments":null,"numberEosComments":null,"popSizeComments":"Population in eastern North Pacific was estimated at 2.3 million in the 1980s (see Baird et al. 1993). Population off Japan was estimated at 176,000-252,000 in the 1980s (see IUCN 1991).","viabilityComments":null,"threatImpactComments":"Comprises a minor component of dolphins killed by purse-seine tuna fishery in eastern tropical Pacific. There is some concern about the levels of direct and indirect catching in various parts of the range (IUCN 1991). Population off Japan declined from the mid-1940s through at least the early 1980s, due to overexploitation (see Baird et al. 1993).","shortTermTrendComments":"Population off Japan declined from the mid-1940s through at least the early 1980s (see Baird et al. 1993).","longTermTrendComments":null,"inventoryNeeds":null,"numberProtEosComments":"See IUCN (1991) for brief discussion of international and national protection regulations.","protectionNeeds":null,"otherConsiderations":null,"intrinsicVulnerabilityComments":null,"enviromentalSpecificityComments":null},"animalCharacteristics":{"elementGlobalId":103059,"majorHabitat":{"id":1,"majorHabitatDescEn":"Marine","majorHabitatDescEs":"Marino","majorHabitatDescFr":"Marine"},"nonMigrant":false,"localMigrant":true,"longDistanceMigrant":true,"mobilityMigrationComments":"In the western Pacific, makes seasonal migrations between pelagic and coastal areas; summers in pelagic waters, winters apparently in East China Sea (Leatherwood and Reeves 1983).","foodHabitsComments":"Diet mainly various mesopelagic fishes, as well as shrimp and squid (Leatherwood and Reeves 1983). Feeding depth may extend below 200 m (see IUCN 1991).","animalPhenologyComments":"Active day/night.","colonialBreeder":false,"length":270,"width":null,"weight":null,"animalPhenologies":[{"animalCagPhenologyId":102197,"animalPhenology":{"id":2,"animalPhenologyDescEn":"Circadian","animalPhenologyDescEs":"Circadiano","animalPhenologyDescFr":"Circadien","displayOrder":2},"adult":true,"immature":true}],"animalFoodHabits":[{"animalCagFoodHabitsId":104110,"foodHabits":{"id":2,"foodHabitsDescEn":"Piscivore","foodHabitsDescEs":"Piscivore","foodHabitsDescFr":"Piscivore","displayOrder":2},"adult":true,"immature":true},{"animalCagFoodHabitsId":104111,"foodHabits":{"id":3,"foodHabitsDescEn":"Invertivore","foodHabitsDescEs":"Invertívoro","foodHabitsDescFr":"Invertivore","displayOrder":3},"adult":true,"immature":true}]},"occurrenceDelineations":[{"eoSpecsDetailId":1070,"locationUseClass":{"id":1,"locationUseClassDescEn":"Not applicable","locationUseClassDescEs":"No se aplica","locationUseClassDescFr":"Sans objet","displayOrder":1},"eoSpecGroupName":"Dolphins and Porpoises","subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":null,"minimumEoCriteria":"A marine area that  is or has been occupied consistently or recurrently. Occurrences not based on the entire range of particular populations or subpopulations, but rather on distinct areas that are important to the survival of these populations.   Minimally, at least two and preferably several years of observation should be used to reliably identify significant, recurrent occurrences.","mappingGuidance":null,"separationBarriers":"Upland areas.","separationDistanceUnsuitableHabitatat":20.0,"separationDistanceSuitableHabitatat":20.0,"altSeparationProcedure":null,"separationJustification":"Separation Distance arbitrary.  In most cases, occurrences should not be extensive areas but rather portions of such areas that stand out as strongly meeting the occurrence criteria. <br> Available information on genetics, dispersion, and movement patterns of most populations generally is insufficient to determine biologically meaningful separation distances for occurrences. The separation distance used here does not attempt to identify biologically distinct populations but rather is an arbitrary value that attempts to identify relatively distinct geographic areas that have frequent or concentrated activity and that are of practical size. <br> Bottlenose Dolphins (TURSIOPS TRUNCATUS) that were resident in a South Carolina estuary had relatively small home ranges (mean  51.3 square kilometers, 95% adaptive kernel method; Gubbins 2002).","versionDate":"2002-03-06","versionAuthor":"Cannings, S.","versionNotes":"Contains all members of the families Delphinidae and Phocoenidae, except ORCINUS ORCA.","lastModified":"2020-04-30T02:04:20.034948Z"}],"plantCharacteristics":null,"elementManagement":{"elementGlobalId":103059,"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":104550,"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":"2020-05-14T02:23:07.038027Z"}],"references":[{"id":1151804,"citation":"American Society of Mammalogists (ASM). 2025. Mammal Diversity Database (Version 1.13) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10595931. Online. Available: https://www.mammaldiversity.org/","shortCitationAuthor":"American Society of Mammalogists (ASM)","shortCitationYear":2025,"referenceCode":"W25ASM01NAUS","lastModified":"2025-04-04T21:45:15.526109Z"},{"id":113792,"citation":"Baird, R. W., P. J. Stacey, and H. Whitehead. 1993c. Status report on the striped dolphin STENELLA COERULEOALBA in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC). 35 pp.","shortCitationAuthor":"Baird et al.","shortCitationYear":1993,"referenceCode":"U93BAI02NAUS","lastModified":"2020-02-25T18:19:12.029172Z"},{"id":110658,"citation":"Baird, R. W., P. J. Stacey, and H. Whitehead. 1993d. Status of the striped dolphin, STENELLA COERULEOALBA, in Canada. Can. Field-Nat. 107:455-465.","shortCitationAuthor":"Baird et al.","shortCitationYear":1993,"referenceCode":"A93BAI01NAUS","lastModified":"2020-02-25T18:19:12.029172Z"},{"id":119122,"citation":"Banfield, A. W. F. 1974. The mammals of Canada. University of Toronto Press, Toronto, Canada. 438 pp.","shortCitationAuthor":"Banfield","shortCitationYear":1974,"referenceCode":"B74BAN01NAUS","lastModified":"2020-02-25T18:12:03.631914Z"},{"id":759420,"citation":"Bradley, R.D., L.K. Ammerman, R.J. Baker, L.C. Bradley, J.A. Cook. R.C. Dowler, C. Jones, D.J. Schmidly, F.B. Stangl Jr., R.A. Van den Bussche and B. Würsig. 2014. Revised checklist of North American mammals north of Mexico, 2014. Museum of Texas Tech University Occasional Papers 327:1-28. Available at: http://www.nsrl.ttu.edu/publications/opapers/ops/OP327.pdf","shortCitationAuthor":"Bradley et al.","shortCitationYear":2014,"referenceCode":"A14BRA01NACA","lastModified":"2020-02-25T14:38:17.880059Z"},{"id":143144,"citation":"Folkens, P. 1984. The whale watcher's handbook. Doubleday Co., Inc., Garden City, NY 208 pp.","shortCitationAuthor":"Folkens","shortCitationYear":1984,"referenceCode":"B84FOL01NAUS","lastModified":"2020-02-25T18:12:30.710457Z"},{"id":118294,"citation":"Godin, A. J. 1977. Wild mammals of New England. Johns Hopkins University Press, Baltimore. 304 pp.","shortCitationAuthor":"Godin","shortCitationYear":1977,"referenceCode":"B77GOD01NAUS","lastModified":"2020-02-25T18:12:30.710457Z"},{"id":139149,"citation":"Gubbins, C. 2002. Use of home ranges by resident bottlenose dolphins (<i>Tursiops truncatus</i>) in a South Carolina estuary. Journal of Mammalogy 83: 178-187.","shortCitationAuthor":"Gubbins","shortCitationYear":2002,"referenceCode":"A02GUB01NACA","lastModified":"2024-11-02T00:42:23.119711Z"},{"id":119546,"citation":"Hall, E. R. 1981a. The Mammals of North America, second edition. Vols. I &amp; II. John Wiley &amp; Sons, New York, New York. 1181 pp.","shortCitationAuthor":"Hall","shortCitationYear":1981,"referenceCode":"B81HAL01NAUS","lastModified":"2020-02-25T14:38:13.267235Z"},{"id":810394,"citation":"Hebda, A.J. 2011. List of mammals of Nova Scotia (including synonyms used in the literature relating to Nova Scotia) (revision 2) 24 July 2011. Nova Scotia Museum Collections Unit, Halifax, Nova Scotia. 24 pp. Online. Available: https://naturalhistory.novascotia.ca/sites/default/files/inline/images/names_and_synonyms_ver3.pdf","shortCitationAuthor":"Hebda","shortCitationYear":2011,"referenceCode":"N11HEB01EHUS","lastModified":"2020-02-25T18:12:30.726311Z"},{"id":106833,"citation":"IUCN (World Conservation Union). 1991. Dolphins, Porpoises and Whales of the World: the IUCN Red Data Book. M. Klinowska (compiler). IUCN, Gland, Switzerland, and Cambridge, United Kingdom. viii + 429 pp.","shortCitationAuthor":"IUCN (World Conservation Union)","shortCitationYear":1991,"referenceCode":"B91IUC01NAUS","lastModified":"2020-02-25T14:38:17.880059Z"},{"id":156383,"citation":"Jones, J. K., Jr., R. S. Hoffman, D. W. Rice, C. Jones, R. J. Baker, and M. D. Engstrom. 1992a. Revised checklist of North American mammals north of Mexico, 1991. Occasional Papers, The Museum, Texas Tech University, 146:1-23.","shortCitationAuthor":"Jones et al.","shortCitationYear":1992,"referenceCode":"B92JON01NAUS","lastModified":"2020-02-25T14:38:17.880059Z"},{"id":148051,"citation":"Katona, S. K., V. Rough, and D. T. Richardson. 1983. A Field guide to the whales, porpoises, and seals of the gulf of Maine and eastern Canada. Cape Cod to Newfoundland. Charles Scribner's Sons, N.Y. 255 pp.","shortCitationAuthor":"Katona et al.","shortCitationYear":1983,"referenceCode":"B83KAT01NAUS","lastModified":"2020-02-25T18:12:30.710457Z"},{"id":102124,"citation":"Leatherwood, S., and R. R. Reeves. 1983. The Sierra Club handbook of whales and dolphins. Sierra Club Books, San Francisco. 302 pp.","shortCitationAuthor":"Leatherwood and Reeves","shortCitationYear":1983,"referenceCode":"B83LEA01NAUS","lastModified":"2020-02-25T14:38:17.880059Z"},{"id":158421,"citation":"Pacheco, V., H. de Macedo, E. Vivar, C. Ascorra, R. Arana-Cardó, and S. Solari. 1995. Lista anotada de los mamíferos peruanos. Conservation International, Washington, DC.","shortCitationAuthor":"Pacheco et al.","shortCitationYear":1995,"referenceCode":"N95PAC0100LA","lastModified":"2020-02-25T18:12:30.726311Z"},{"id":138742,"citation":"Rice, D. W. 1998. Marine mammals of the world: systematics and distribution. Society for Marine Mammalogy, Special Publication Number 4. ix + 231 pp.","shortCitationAuthor":"Rice","shortCitationYear":1998,"referenceCode":"B98RIC01NAUS","lastModified":"2020-02-25T18:12:01.866439Z"},{"id":158417,"citation":"Tirira, D. 1999. Mamíferos del Ecuador. Museo de Zoología, Pontificia Universidad Católica del Ecuador, Quito.","shortCitationAuthor":"Tirira","shortCitationYear":1999,"referenceCode":"B99TIR0100LA","lastModified":"2020-02-25T18:12:30.726311Z"},{"id":117022,"citation":"Wilson, D. E., and D. M. Reeder (editors). 1993. Mammal species of the world: a taxonomic and geographic reference. Second edition. Smithsonian Institution Press, Washington, DC. xviii + 1206 pp. Available online at: http://www.nmnh.si.edu/msw/.","shortCitationAuthor":"Wilson and Reeder","shortCitationYear":1993,"referenceCode":"B93WIL01NAUS","lastModified":"2020-02-25T14:38:17.880059Z"}],"otherCommonNames":[{"id":136457,"name":"Dauphin bleu","language":"FR"},{"id":101973,"name":"Estenela Listada","language":"ES"}],"speciesGlobal":{"elementGlobalId":103059,"cites":{"id":2,"citesDescEn":"Appendix II","citesDescEs":"Apéndice II","citesDescFr":"Annexe II"},"cosewic":{"id":6,"cosewicDescEn":"Not at Risk","cosewicDescEs":"No está en riesgo","cosewicDescFr":"Non en péril","cosewicCode":"NAR"},"fwsRegion":null,"genusSize":{"id":3,"genusSizeDescEn":"Small genus","genusSizeDescEs":"Género pequeño","genusSizeDescFr":"Petit genre"},"jurisEndem":{"id":5,"jurisEndemDescEn":"occurs (regularly, as a native taxon) in multiple nations","jurisEndemDescEs":"Se encuentra en varias naciones (de manera regular, como un taxón nativo)","jurisEndemDescFr":"Se trouve dans plusieurs nations (de façon régulière, tel un taxon indigène)"},"nomenclaturallyEst":null,"usesa":null,"informalTaxonomy":{"informalTaxonomyId":6,"level1":"Animals","level2":"Vertebrates","level3":"Mammals","level":3,"hasChildren":false,"parentId":2,"distributionStatus":"complete","displayOrder":1090},"parentSpecies":null,"infraspecies":false,"kingdom":"Animalia","phylum":"Craniata","taxclass":"Mammalia","taxorder":"Cetacea","family":"Delphinidae","genus":"Stenella","americanFisheriesStatus":null,"americanFisheriesStatusDate":null,"saraStatus":null,"saraStatusDate":null,"cosewicDate":"1993-04-01","interpretedCosewic":null,"cosewicComments":"Reason for designation: Common in offshore Nova Scotia waters in summer. No obvious threat in Canadian waters.<br/><br/>Status history: Designated Not at Risk in April 1993.","usesaDate":null,"interpretedUsesa":null,"usesaComments":null,"completeDistribution":true,"synonyms":[],"infraspeciesList":[],"ebarId":null,"ebarCanadianScope":false,"ebarGlobalScope":false,"ebarKbaGroup":"Mammals","caGeneralStatusId":"GS001526"},"speciesCharacteristics":{"elementGlobalId":103059,"reproductionComments":"In the western Pacific, mating peaks in winter, spring, and possibly late summer; gestation lasts about 1 year; adult females produce single calf every 3 years; weaning completed at about 1.5 years; sexual maturity in 5-9 years, though newly mature males may not mate.","ecologyComments":"Gregarious; commonly in groups of a few hundred, sometimes in herds of several thousand; group size in the Atlantic apparently tends to be smaller than that in the Pacific (IUCN 1991); groups are segregated by age class (Leatherwood and Reeves 1983, IUCN 1991).","habitatComments":"Warm temperate and tropical seas; inhabits offshore and coastal waters; usually offshore in most areas. Young are born in the water.","generalDescription":null,"diagnosticCharacteristics":null,"speciesMarineHabitats":[{"cagMarineHabId":-100539,"marineHabitat":{"id":1,"marineHabitatDescEn":"Pelagic","marineHabitatDescEs":"Pelágico","marineHabitatDescFr":"Pélagique","displayOrder":1}},{"cagMarineHabId":-100540,"marineHabitat":{"id":3,"marineHabitatDescEn":"Near shore","marineHabitatDescEs":"Cercano a la costa","marineHabitatDescFr":"Côtier","displayOrder":3}}],"speciesTerrestrialHabitats":[],"speciesRiverineHabitats":[],"speciesPalustrineHabitats":[],"speciesLacustrineHabitats":[],"speciesSubterraneanHabitats":[],"speciesEstuarineHabitats":[]},"primaryReference":{"id":1151804,"citation":"American Society of Mammalogists (ASM). 2025. Mammal Diversity Database (Version 1.13) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10595931. Online. Available: https://www.mammaldiversity.org/","shortCitationAuthor":"American Society of Mammalogists (ASM)","shortCitationYear":2025,"referenceCode":"W25ASM01NAUS","lastModified":"2025-04-04T21:45:15.526109Z"},"predecessors":[],"elementGlobalThreatAssessments":[{"elementGlobalThreatAssessId":21321,"iucnThreatCategory":{"id":19,"iucnThreatCategoryCd":"5","iucnThreatCategoryDescEn":"Biological resource use","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"5 - Biological resource use","displayValueEs":null,"displayValueFr":null,"displayOrder":330,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":1},"iucnThreatScope":null,"iucnThreatSeverity":null,"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":null},{"elementGlobalThreatAssessId":21322,"iucnThreatCategory":{"id":23,"iucnThreatCategoryCd":"5.4","iucnThreatCategoryDescEn":"Fishing & harvesting aquatic resources","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"5.4 - Fishing & harvesting aquatic resources","displayValueEs":null,"displayValueFr":null,"displayOrder":370,"iucnThreat":"Y","parentThreatId":19,"iucnThreatLevel":2},"iucnThreatScope":null,"iucnThreatSeverity":null,"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":null},{"elementGlobalThreatAssessId":21323,"iucnThreatCategory":{"id":32,"iucnThreatCategoryCd":"8","iucnThreatCategoryDescEn":"Invasive & other problematic species,  genes & diseases","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"8 - Invasive & other problematic species,  genes & diseases","displayValueEs":null,"displayValueFr":null,"displayOrder":590,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":1},"iucnThreatScope":null,"iucnThreatSeverity":null,"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":null},{"elementGlobalThreatAssessId":21324,"iucnThreatCategory":{"id":34,"iucnThreatCategoryCd":"8.2","iucnThreatCategoryDescEn":"Problematic native species/diseases","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"8.2 - Problematic native species/diseases","displayValueEs":null,"displayValueFr":null,"displayOrder":610,"iucnThreat":"Y","parentThreatId":32,"iucnThreatLevel":2},"iucnThreatScope":null,"iucnThreatSeverity":null,"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":null},{"elementGlobalThreatAssessId":21325,"iucnThreatCategory":{"id":36,"iucnThreatCategoryCd":"9","iucnThreatCategoryDescEn":"Pollution","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"9 - Pollution","displayValueEs":null,"displayValueFr":null,"displayOrder":630,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":1},"iucnThreatScope":null,"iucnThreatSeverity":null,"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":null},{"elementGlobalThreatAssessId":21326,"iucnThreatCategory":{"id":37,"iucnThreatCategoryCd":"9.1","iucnThreatCategoryDescEn":"Domestic & urban waste water","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"9.1 - Domestic & urban waste water","displayValueEs":null,"displayValueFr":null,"displayOrder":640,"iucnThreat":"Y","parentThreatId":36,"iucnThreatLevel":2},"iucnThreatScope":null,"iucnThreatSeverity":null,"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":null},{"elementGlobalThreatAssessId":21327,"iucnThreatCategory":{"id":38,"iucnThreatCategoryCd":"9.2","iucnThreatCategoryDescEn":"Industrial & military effluents","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"9.2 - Industrial & military effluents","displayValueEs":null,"displayValueFr":null,"displayOrder":650,"iucnThreat":"Y","parentThreatId":36,"iucnThreatLevel":2},"iucnThreatScope":null,"iucnThreatSeverity":null,"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":null},{"elementGlobalThreatAssessId":21328,"iucnThreatCategory":{"id":39,"iucnThreatCategoryCd":"9.3","iucnThreatCategoryDescEn":"Agricultural & forestry effluents","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"9.3 - Agricultural & forestry effluents","displayValueEs":null,"displayValueFr":null,"displayOrder":660,"iucnThreat":"Y","parentThreatId":36,"iucnThreatLevel":2},"iucnThreatScope":null,"iucnThreatSeverity":null,"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":null}]}