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Thefishwithsaddestexpression——Blobfish（水滴鱼）Bolbfish’sbodyisgelatinous.Itcangrowtomorethan30cm.Itsdensityissimilartosomewateritsbodycontains,enablesittofloatinthewater.Becauseofwithasadface,it’sknownasthesaddestexpressionfishintheworld.Thefishwithsaddestexpression——Blobfish（水滴鱼）Thebiggestanimalontheplanet——BlueWhaleThebiggestanimalontheplanet——BlueWhaleThebiggestbluewhalewascatchedintheAtlanticneartheFalklandislandsin1904.Thatbluewhaleis33meterslong,weighing195tons,equivalenttotheweightof35headsofelephant.Thetongueweighsabout3tonsandtheheartweights700kg.Thecleverestanimal——dolphinDolphinisageniusperformer,itcanshowmanywonderfulprograms,suchasdrillingironhoop,playingbasketballandsoon.Dolphinshavetheirownsignal,thesignalcanlettheircompaniescontacteachothereasily.Thelongest-livedcreatureRecently,scientistsfoundthelongest–livedcreatureinHawaii,accordingtoscientiststhroughcarbonradioactiveisotopes,thesefullofvigourcoralunexpectedlyisattheageof4265.Thebiggestcoral——GreatBarrierReef(大堡礁)GreatBarrierReefstretches2011kilometers,161kilometersatitswidestpoint.Itisoneofthesevennaturalwondersoftheworld.Australiansisproudofthenaturallandscape.Italsoknownastransparentseawildkingdom.Themostpoisonouscreature——Stonefish（石鱼）Thornsonthefish’sbackcanresistattackformthesharksorotherpredators.Thereleaseofvenomcancausetemporaryparalysisevendeath.