Fish "ulwandle develi" - Ukudla, izimo zokuphila, ukukhiqizwa kabusha

Esinye sezidalwa ngobukhulu futhi edume kunazo zombuso kwamanzi -. Inhlanzi 'ulwandle-develi " Ngobukhulu ke zingaphansi abanye imikhomo, kodwa hhayi omunye wamalungu okukhulu kwalesi ezilwaneni ezinomgogodla ezinamehlo superclass zasemanzini atholakele ekujuleni kwezilwandle, izilwandle. Futhi igunya izinganekwane nezinkolelo-ze, muva nje yehliswa esihlalweni sobukhosi, ngoba kunesithembiso amakhulu amaningi eminyaka.

Ukuvulwa kwe-"ulwandle-develi"

Okokuqala echazwe futhi uqambe le isilwane Johann Valbaum - sezilwane isiJalimane, udokotela kanye semvelo. Wayibiza ngokuthi Raja birostris; futhi kwenzeka, ngezindinganiso zomlando, akunjalo kudala - e 1792. Kufanele kuqashelwe, umlando lezi izinhlanzi cartilaginous le kudida kakhulu futhi ungaqondakali, uma kuqhathaniswa nezinye izinto eziphilayo: amabili eminyaka, banikezwa 25 izinhlobo "amagama" futhi abambalwa ejwayelekile. Isayensi yanamuhla ibona igama Manta birostris. Kuze kube muva nje kwakucatshangwa ukuthi izinhlanzi 'ulwandle-develi "- kuphela kuvakashe ummeleli wendlunkulu giant imisebe Manta. Nokho, ngo-2009, kube labelwa olunye uhlobo, Manta alfredi, kokuba kokungafani okukhulu, futhi ubonakala, futhi ekuthuthukisweni kanye morphology, kodwa zifana ngobukhulu, ukudla kanye yokuphila.

Izinganekwane

Fish 'ulwandle-develi "(ngenhla) ithole isidlaliso sakhe ngenxa ukuma engavamile ikhanda amaphiko - ithumela kubo ukudla emlonyeni wakho. Kusukela ibanga Babukeka njengezihlahla izimpondo; futhi banikezwe babebaningi kakhulu lomuntu oyedwa, akumangalisi ukuthi ethusayo ulwandle abahambi. BaseYurophu ukubhukuda emanzini ashisayo, wayekholelwa ukuthi uma intukuthelo kaDeveli-inhlanzi, kuyoba ukucwila emkhunjini, uyoxosha emva kwakhe nge ngokufutheka ongacimekiyo nokubekezela. Esikhathini eningizimu-mpumalanga ye-Asia ukuhlangabezana imisebe Manta kwakusho (futhi kusho kuze kube manje) Maduze enkingeni futhi izinkathazo ezengeziwe. Kwabonakala ukuthi umzimba omkhulu uyisicaba ingubo ngeshwa ngoba evala ukukhiqizwa sinombono zigqila (kwenye inguqulo - kwasani uma umuntu into edelelwa silo).

Fish 'ulwandle-develi ": incazelo

Skat has elikhulu okwedayimane pectoral amaphiko - e zezinhlobo ezinkulu Ububanzi yabo ifinyelela amamitha eziyisikhombisa. Athuthela phambili ikhanda amaphiko, phakathi lapho kukhona umlomo. Amehlo zitholakala ezinhlangothini, futhi gills - ngesimo Slots - phansi ikhanda. Ngemuva emnyama ulwandle udeveli (omnyama noma amnyama-grey), isisu ukukhanya. Futhi kuba isibopho kusakazeka izindawo. Kuyaphawuleka ukuthi inani nendawo ngokuqinile ngabanye - zeminwe like kubantu. Ngokuqondene isisindo, isisindo ka zezinhlobo ezinkulu ngezinye izikhathi ukufinyelela amathani amabili nengxenye ...

Life olwandle

Kungakhathaliseki akukho etshela yini okwakuyodingeka horror izindaba noma ezisunguliwe, inhlanzi 'ulwandle-develi "udla like umkhomo - plankton kanye ezinamagobolondo. Ngenxa yale njongo, umlomo wakhe ifakwe idivayisi esikhethekile ottsezhivaniya ukudla ehlanganisa gill amapuleti. Ngenxa yobukhulu ka imisebe Manta, akumangalisi ukuthi uphoqelekile ukuba adle cishe njalo.

izitha zemvelo kwalezi zilwane killer nama oshaka ezinkulu. On the abadala Bahlasela kuphela uma begula futhi elimele, kodwa amawundlu yokuzingela ngenkuthalo.

Ngenxa endaweni enkulu inhlanzi-uSathane umzimba (isithombe ukukuvumela ukuthi uhlole nobukhulu abakhileyo ikholomu amanzi) njalo "kuyinto" ku lenqwaba ezidala .. Ama-bacterium, lenyama, ulwelwe, njll Lokhu kungaba inkinga engathí sina, ngoba kukhona abathwali (futhi ngezinye izikhathi Amagciwane) ezihlukahlukene izifo. Nokho, izinhlanzi 'ulwandle-develi "okuzivikela lohlupho ihambisana njalo zezinhlanzi-zokuhlanza abalumayo naye zonke kakhulu, kuhlanganise" yokuhlanza service "futhi emlonyeni, okuyinto phakathi" izinqubo "ophethe i kummango evulekile.

Ngokungafani inhlanzi kakhulu olwandle, imisebe Manta - abakhileyo engenhla izingqimba amanzi. zona neze ukujula okukhulu.

ukukhiqizwa kabusha mantas

Ukuze ukuzala stingrays giant ukubhukuda ogwini laseMozambique. Phakathi nenkathi yokuzalela banayo kuyinto ngoNovemba. Ngalesi sikhathi, lapho kungabonakala nasemkhakheni inqwaba amalungu zinhlobo 'ulwandle-uSathane. " Incazelo usathandana, uma ososayensi abaningi, oceanographers kanye abatshuzi amateur, uchaza le nqubo ngokuthi umbono omuhle kakhulu. Abesilisa ulandele yonke udwendwe ilungele okukhulelwa owesifazane, ngesivinini, akuzona ngokuvamile sici nesiphuku. Female "ulwandle develi" ukhiqiza inzalo eyodwa kuphela; ozibone twins ezingajwayelekile kakhulu. Ezigabeni zokuqala ngemva ukuchamisela umntwana esiswini sikamama futhi zinikwa jelly royal. Emva kokuzalwa izinhlanzi 'ulwandle-develi "ubude, it has a imitha lengxenye yesine bese ukala engaba yishumi amakhilogramu. usana yonke indawo elandela umama. Imiphumela okungajwayelekile yesifazane inzalo - uma kokuphazamiseka iminyaka emibili emithathu.

sengcupheni

Njengoba sekushiwo, izitha izinhlanzi 'ulwandle-uSathane' sina yemvelo has. Kodwa indoda ezibulalayo ukuze alale naye. Inyama kanye nesibindi eziphila olwandle zibhekwa njengesibiliboco Culinary, kodwa Chinese futhi esetshenziswa kwezokwelapha. Kuyinto abadobi Chinese ngenkuthalo kokubhubhisa inhlanzi-uSathane, kwafika ngo-November kuya ogwini eMozambique. Njengoba sazi ukuthi kancane i stingrays giant wande, siyindawo ekhethwe kubo ngesikhathi sokukhwelana, kungashiwo ukuthi kuze amanzi eduze Mozambique babe alondoloza zemvelo, usongo nokuqothulwa imisebe Manta zinyamalale.

Nezimfumbe "ulwandle-develi"

Naphezu kweqiniso lokuthi izinhlanzi 'ulwandle-develi "ibilokhu wafunda amade, akubona bonke izimfihlo kwembulwa ososayensi. Okokuqala, akekho ongasho ukuthi kungani Brac eduze Mozambique nalapho ukwenza ngemuva. Ukusebenza hypothesis: lezi ray ababaleki abazalwa kanye nje "travel" ungayi ndawo.

No kancane imfihlakalo kakhulu kuwo umkhuba wawo jumping ephuma emanzini futhi ashaya umthombo ukwehla emuva. Abanye ososayensi baye phambili kulesi sici izinguqulo eziningana:

1. Okunjalo kuzuba - yesiko kuqomisana.
2. Ngosizo emanzini ukushaya izinhlanzi 'ulwandle-develi "suppresses izakhamuzi ezincane.
3. Ngakho, lesi silwane kuqeda ezidala ecasulayo.

Yikuphi hypothesis ilungile, kungase kube nzima, kungcono empeleni iyokwaziwa ngisho esikhathini esizayo, Yebo, uma isintu kanti isidalwa ngeke nokuhumushela olimini isigaba yokuqothulwa.