用英语介绍四种宠物

阿拉斯加雪撬犬AlaskanMalamute（TheAlaskanMalamuteisalargebreedofdomesticdog(Canislupusfamiliaris)originallybredforhaulingheavyfreightbecauseoftheirstrengthandendurance,andlateranAlaskansleddog.Theyaresimilartootherarcticbreeds,liketheGreenlanddog,CanadianEskimoDog,theSiberianHuskyandtheSamoyed.）

2.变色龙Chameleons（Chameleonsorchamaeleons(familyChamaeleonidae)areadistinctiveandhighlyspecializedcladeofoldworldlizardswith202speciesdescribedasofJune2015.Thesespeciescomeinarangeofcolours,andmanyspecieshavetheabilitytochangecolours.Chameleonsaredistinguishedbytheirzygodactylousfeet;theirverylong,highlymodified,rapidlyextrudabletongues;theirswayinggait;andcrestsorhornsontheirdistinctivelyshapedheads.Mostspecies,thelargeronesinparticular,alsohaveaprehensiletail.Chameleons'eyesareindependentlymobile,butinaimingatapreyitem,theyfocusforwardincoordination,affordingtheanimalstereoscopicvision.Chameleonsareadaptedforclimbingandvisualhunting.Theyarefoundinwarmhabitatsthatrangefromrainforesttodesertconditions,variousspeciesoccurringinAfrica,Madagascar,southernEurope,andacrosssouthernAsiaasfarasSriLanka.TheyalsohavebeenintroducedtoHawaii,California,andFlorida,andoftenarekeptashouseholdpets）

3.苏格兰折耳猫ScottishFold（

TheScottishFoldisabreedofdomesticcatwithanaturaldominant-genemutationthataffectscartilagethroughoutthebody,causingtheearstofold,bendingforwardanddowntowardsthefrontoftheirhead,whichgivesthecatwhatisoftendescribedasanowl-likeappearance.

Originallycalledlopearedorlopsafterthelopearedrabbit,ScottishFoldbecamethebreed'snamein1966.Dependingonregistries,longhairedScottishFoldsarevaryinglyknownasHighlandFold,ScottishFoldLonghair,LonghairFoldandCoupari.

4.热带鱼Tropicalfish（Tropicalfishisatermcommonlyusedtorefertofishthatarekeptinheatedaquariums.FreshwatertropicalfisharemorecommonlykeptthanSaltwatertropicalfishduetothecommonavailabilityoffreshwatersources,suchastapwater,whereasSaltwaterisnotcommonlyavailableandhastoberecreatedbyusingfreshwaterwithseasaltadditions.Saltwaterhastobemonitoredtomaintainthecorrectsalininitybecauseoftheeffectsofevaporation.Freshwatertropicalaquariumscanbemaintainedbysimplytoppingupwithfreshwater.Tropicalfisharepopularchoicesforaquariumsduetotheiroftenbrightcoloration,whichtypicallyderivesfrombothpigmentedcellsandiridescentcells.Tropicalfishmayincludewildcaughtspecimens,individualsbornincaptivityincludinglinesselectivelybredforspecialphysicalfeatures,suchaslongfins,orparticularcolorations,suchasalbino.Somefishmaybehybridsofmorethanonespecies.）

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