Iimpawu ezibonakalayo ze-whale shark
El whale shark (Rhincodon typus) inokufikelela kwiimitha ezili-18 ubude kwaye inobunzima obumalunga neetoni ezili-19, nto leyo eyenza ibe yeyona ntlanzi inkulu ehlabathini. Ngaphandle kwegama lesiteketiso elithi "whale", ngukrebe kwaye akakho kwiqela lezilwanyana ezincancisayo zaselwandle njengeminenga yokwenyani.
Aba krebe banomzimba omkhulu, kunye nepateni eyahlukileyo yamachaphaza amhlophe kunye nemigca kwisikhumba esi blush-grey. Intloko yayo ibanzi kwaye ithe tyaba, kwaye umlomo wayo unokufikelela kwi-1,5 yeemitha ububanzi, ibe malunga nama-300 imiqolo yamazinyo amancinci. Iphiko layo lomqolo lincinci xa lithelekiswa nomzimba walo, ngelixa iphiko layo le-caudal likhulu kwaye limile okwe crescent.
Indawo yokuhlala kunye nosasazo lwejografi
El whale shark ngummi wamanzi afudumeleyo nashushu, kwaye ifumaneka kuzo zonke iilwandlekazi zehlabathi, ngaphandle kwemimandla epholileyo. Zihlala zibonwa kufuphi nomphezulu wamanzi, kwaye zikhetha amanzi aselunxwemeni okanye iindawo ezinemveliso ephezulu yaselwandle, njengendawo yokunyuka apho imisinga enyukayo izisa izondlo ezisuka enzonzobileni yolwandle.
Eminye imimandla ephambili apho kunokwenzeka ukudibana ne-whale sharks ibandakanya iOstreliya, iBelize, iMexico, iiPhilippines, iMozambique, kunye neSeychelles. Ezi ndawo zitsala abakhenkethi abaninzi kunye nabantywizisi minyaka le, ngethemba lokufumana ithuba lokubukela nokuqubha ecaleni kwezi zigebenga zithambileyo.
Ukutya kunye nokuziphatha
Nangona ubukhulu bayo bukhulu, i whale shark sisihluzi sokutya, nto leyo ethetha ukuba itya izinto ezincinci ezibizwa ngokuba ziiplankton. Ukuze atye, i-whale shark iqubha ngokuthe chu ukuya phambili ivule umlomo, igalela amanzi amaninzi kwaye ihluza iplankton ngeegilidi zayo.
Ukongeza kwiplankton, i-whale sharks banokutya iintlanzi ezincinci, i-squid kunye nekrill. Bathanda ukutya kwiindawo ezinokutya okuninzi, njengeendawo apho iintlanzi zizalela khona. Xa zingatyi, ezi zigebenga zaselwandle zidada kancinane phezu kwamanzi, zonwabela amaqondo obushushu ashushu kunye nentabalala yeeplankton.
Ukuzala kunye nomjikelo wobomi
Iinkcukacha malunga nokuveliswa kunye nophuhliso lwe ookrebe bomnenga bahlala beyimfihlelo kwiinkalo ezininzi, kwaye uninzi lwento eyaziwayo isekelwe kwimigqaliselo elinganiselwe kakhulu. Ukukhwelana kwe-Whale sharks kunye nokuzalana akuzange kubonwe endle, kodwa baziwa ngokuba yi-ovoviviparous, oku kuthetha ukuba iimazi zizala ukuba ziphile zincinci ezikhula ngaphakathi kwamaqanda ngaphakathi komzimba kamama.
Iimazi zingathwala ukuya kutsho kuma-300 amancinci kumanqanaba ahlukeneyo okukhula, kwaye kucingelwa ukuba zizalela amantshontsho kwindawo ezikufuphi nomphezulu wamanzi apho kukho intabalala yokutya. Xa sele iqanduselwe, amaninzi amantshontsho e-whale shark afa ngokukhawuleza engenalo ithuba lokusinda, kodwa abo basindayo banokukhula ngokukhawuleza, bafikelele ekukhuleni ngokwesondo malunga neminyaka engama-30 ubudala.
Ulondolozo kunye nobudlelwane nabantu
El whale shark ngoku ikuLuhlu oluBomvu lwe-IUCN njengezilwanyana ezisengozini, ngenxa yokuloba ngokugqithisileyo kunye nokuthotywa kweendawo zokuhlala. Kwamanye amazwe aba krebe bazingelwa inyama, ioli namaphiko, nangona bekhuselwe ngamazwe ngamazwe.
I-ecotourism ejikeleze i-whale shark iye yaduma, kwaye iindawo ezininzi apho ezi zilwanyana zifunyenwe khona ziye zavelisa iinkqubo zokhenketho ezizinzileyo zokukhusela ezi zilwanyana. Ukhenketho oluthatha uxanduva, oluyihloniphayo imithetho emiselweyo kunye nezikhokelo zokubona kunye nokuqubha kunye nookrebe be-whale, kubalulekile ukunceda ukunciphisa uxinzelelo lwabantu kuluntu lwezi zidalwa zimangalisayo.
Ukongeza kukhenketho, uphando kunye nokwazisa uluntu ngokubaluleka kolondolozo lwe-whale shark kubalulekile ukuqinisekisa ukusinda kwezi zigebenga zolwandle kwixa elizayo. Ngokufunda ngakumbi malunga ne-whale sharks kunye neendawo zabo zokuhlala, sinokufumana iindlela ezisebenzayo zokukhusela nokuqinisekisa ukuba ziyaqhubeka ziyinxalenye ebalulekileyo yeelwandle zethu.