ThePeronnasfearsomereputationlargelystemsfromtheaccountofUSPresidentTeddyRooseveltafterhevisitedSouthAmericain 1913, wherehewitnessed a groupoflocalswhoblockedpartof a riveroffandstarvethePeronnasinsidefordaysbeforetheydumped a poorCowanforthemtofeastuponwhichtheyrapidlyTorapartandskeletonized.
Youshouldavoidcrossingduringthedryseason, however, whichisbetweenJuneandAugust, whentheriversairobviouslydrierandthefoodismorescarce, whichmeanspiranhasaremorelikelyhungryandwillingtoattackpreyoutsideoftheirnormaldiets.
Whenthey'reactivelyinvolvedin a feedingfrenzy, anythingcanhappen.
彼らが積極的に摂食狂に参加している時は、何が起こってもおかしくありません。
Hypotheticallyspeaking, a groupofpiranhasarecapableoftakingdownpreymuchlargerthanthemselves.
仮定の話をすると、ピラニアの集団は自分よりもずっと大きな獲物を倒すことができます。
Likeyoufor a fewreasons.
いくつかの理由であなたを好きになった
Foronething, when a pranabites, theydon't chew.
一つには、プラーナが噛んでも噛まない。
Whentheybitedownandripoff a chunkofflesh, theyjustswallowitdownrighttotheirbellieswillcontinuetokeepsnappingthedrawshutoverandoverlikethisuntiltheirbelliesairfull.
Secondly, ifpiranhasairattackingin a hordeofhundredsthereincrew, incrediblyefficientteameaterssteering a feedingfrenzy, thepiranhaswillcontinuouslyrotateinandout.
Thereareonly a handfulofrecordedincidentsofpiranhaskillinghumans, likerecentlybackin 2018, when a drunk 18 yearoldmanfelloff a boatin a riverinBoliviaandwaseatenalivebythem.
Ontheotherhand, ifyoulovemakingnoiseorlisteningtonoisewhileyou'redealingwith a stressfulsituationlikecrossing a piranhainfestedriver, thenmaybeyoushouldreconsideryourcrossing.
Soifyou'restucktherefarawayfromanypiranhas, andyouwanttohelpimproveyourstudyingorworkhabitsorgetinto a moreproductiveworkoutroutine, calmandthoughtfulmusicthatwillhelpyoufocusandconcentratewillhelpyoutremendously.