DermochelyidaeandseaCheloniidaecollectivelyturtlehabitat.Toadapttoaquaticlifeandlimbsintoflippers,whichwillhelptoswim.Normallyonlycomeashoreduringthebreedingseasonfromthewater.FemaleturtlesleavetheireggsinholesdugonthebeachintheexistingDermochelyscoriaceaisthelargestturtlespecies,about2.1meters(7feet)andweighingabout540kilograms(1,200pounds).Betweentheendofthetwoformerfinspanofabout2.7meters.Maximumbodylengthofupto3metersandweighingabout900kilograms.Carapaceformedbybonyplates,coveredwithdarkbrownorblackleatherqualityoftheskinslightly.Thebacksevenclearverticaledges,abdomen5.Habitatintheglobaloceans,longerthanswimming,omnivorous.TurtleisaseaturtleCheloniaBureauofanimalscollectively.WidelydistributedintheAtlantic,PacificandIndianOceans.MadeinChina,belongingtotheJapaneseseaturtles,thenorthofShandong,southtothenorthernGulfcoastalwatersaredistributed.Upto1meterlonglifespanupto150yearsold.'sHeadwithapairofprefrontalscales.Limbs,suchasoars,forelimbslongerthanhindlegs,medialmeansthateachoneclawtoes.Head,neckandlimbscannotbeareductioninincome.Mainlyonalgaeforfood.LivingintheAtlantic,PacificandIndianOcean,tothelandtolayeggs,hatchedlarvae.Ediblemeatandfatmayberefining.Turtleupperflatoutjawslightlytohookthemusic,thejawedgeofajaggednotch.Foreheadscales1pair.Washeart-shapedcarapace.Scutellummosaicarrangement.Vertebralshields5;ribsoneachsideshield4;marginoneachsideshield11.Paddle-likelimbs.Forelimbslongerthanhind,insideeachwithaclaw.Maletaillength,uptoone-halfbodylength.Thelarge,curvedclawsforelimbwashooked.Carapaceoliveorbrowncolor,mixedwithlight-coloredmarkings;plastronyellow.Liveintheupperoffshore.Tofish,cephalopods,crustaceans,andseaweedforfood.4Octobereveryyearasthebreedingseason,ofteninthereefsnearthematingsurfaceofthewaterwilltake3~4hours.Femalesonthebeachshoreatnightandclimbup,firstwiththeforelimbsdigaverydeeppitwiththebodyheight,Vinthepit,andthentohindlegsalternatelydugadiameter20cm,depth50cmorsoof"eggpit"inthepitproductioneggs.Biproductionofsandcover,andthenreturnedtothesea.Spawnseveraltimeseachyear,eachproducing91~157.Eggwhite,round,diameter41~43mmshellleatherquality,toughsoft.Incubationperiodof50to70days.Seaturtleshavethelongestlifespanofupto152years,isworthyoftheoldgodoflongevityinanimals