News and Society, Uhlobo
Thrasher: incazelo, indawo yokuhlala kunye umdla facts
Wazithiya igama abemi wolwandle, sikhokelwa iikhrayitheriya bezinye iintlanga. Ngokufuthi basebenzisa amagama ezilwanyana ezisentlabathini, leyo kufuneka ubuncinane ufana elikude okanye imikhwa efanayo. Ngoko, oomatiloshe ebizwa le manatee inkomo ulwandle ngenxa yobukhulu enkulu kunye kubonakala njalo. Igama ntshunxekile thrasher abameli ezinzulwini ezininzi.
eyingozi nomzingeli
Xa amanzi Pacific kunye Indian Iilwandle zinkulu ezidla - iingcuka kookrebe. ubude bayo nga iimitha ezintandathu, kunye nobunzima - malunga nama-400 kg. Igama oqhelekileyo ngakumbi kule iintlobo zentlanzi, njengoko kusenokwenzeka niqashele, thrasher. Kookrebe bayifumana enkosi umsila elide, okanye ukuba ngaphezulu ngqo, nomhlehlo eliphezulu fin caudal. Esi sixhobo kunceda umhlaseli ukuvelisa ukutya kwabo. Kwaye njengoko isenzeka, zama ukuchaza ngokweenkcukacha.
Indlela lizingela ukrebe, ebizwa impungutye ulwandle
Thrasher ayifane ehlasela ixhoba ngqo. Ezisebenzisela zokuzingela inxenye side sithambe le fin caudal. Ukufumana isikolo iintlanzi, umhlaseli waphula ngokukhawuleza kwi ephakathi yayo aqalise wakhuph 'umsila. Kodwa akuphumelelanga fin yobisa ixhoba, kwaye shark ingaba kudliwa nakwiintlanzi zisekhona kuphela.
Elinye okanye ngaphezulu?
Ookrebe nomsila liphiko luphawu lilungu sodidi efanayo, kodwa zohlulwa ngokwendidi ezintathu:
- Marine iingcuka zesiqhelo.
- Fox nzulu (hemigaleidae).
- Ipelagic shark ye impungutye uhlobo.
Ubude kwiphiko lomsila elimele ngamnye hlobo - ngaphezu kwesiqingatha ubude umzimba wayo. Least kungenzeka umntu lijongene irhamncwa olunzulu-elwandle. imikhwa zayo zingaqondwa kakuhle, kodwa ngababoneli yathetha loo ntlanganiso enqabile yagqampa yaya nomsila intlanzi enkulu wambathe, ukuba phezu sinendawo of a schooner lokuloba, wazisa umonakalo kakhulu kuze kwenzakale babengabalobi.
Fox ipelagic shark ihambele ngamaxesha kakhulu. Ngenxa awohluke ze imikhwa nokuzingelwa yemveliso ikakhulu obekwe kwi igwegwe lokuloba ayikho umlomo nomsila fin.
thresher Common kwenzeka rhoqo. Yena uye yokuhlala olunzulu - ukusuka ekweleenjiko ukuya elunxwemeni eNorway. Le ntlanzi yeyona inkulu kuzo zonke impungutye. Buyakwazi ukuya kwiimitha ezintandathu.
Enamathela kweentlobo ezahlukeneyo iyahluka ukusuka ezingwevu-brown ukuya hina emnyama. Ngamanye amaxesha iintlanzi blue. Ngasemva usoloko imnyama ngakumbi esiswini. amaphiko esiswini kunye pectoral of fox ulwandle abe amatshatshazi amhlophe.
Njengoko uyandisa tailed ezidla
Fox ibhekisela viviparous ookrebe. Elinye ibhinqa azalwe akukho ngaphezu kwabantwana ababini ngexesha elinye. Nangona ebizwa usana impungutye Lithole shark kunzima kakhulu. ubude bayo ekuzalweni - phantse iimitha nesiqingatha esinye kunye. Ngexesha lokufikisa, "abantwana" zikhula ukuya kwiimitha ezine.
lidala ukuzazi
Ngokubanzi, ookrebe - iintlobo mandulo kunene iintlanzi. Izazinzulu zikholelwa ukuba kwiminyaka million 400 eyadlulayo, la marhamncwa Bazingele kwi enzulwini yolwandle. Oku kunganxulunyaniswa isakhiwo eziliqela abangekaphuhli ookrebe. Masiqalise nesibakala sokuba iintlobo bobabo loo ntlanzi cartilaginous, okt ithambo akunjalo. Nookrebe akukho dj ezikuyo. Noko ke, amarhamncwa yamandulo zikhula ehlabathini namhlanje, yaye akukho ndlela elingezantsi iintlobo "abaselula" ngaphezulu.
Enye isilwanyana - scat
Igama thrasher uqhubeka nabamele mnye ehlabathini phantsi. Ngoko wabiza nengwane (anameva) imitha. Kuyinto intlanzi emazantsi ifomu thile engaqhelekanga. It uhlala e Atlantic, lweMeditera Black Seas.
Interesting isilwanyana, ulwandle impungutye, unomzimba oneedayimani ezimile tyaba kunye elide, nomsila elimxinwa. Abantu abaninzi umsila ubude elingana ubude umzimba. Umva kunye phezulu nomsila nengwane skate omdala line ameva. Inani ungaba kuze ezingamashumi amathathu anesibini ziingceba. Umsila iqukumbela amaphiko amabini amaphiko ezincinane. Scat thrasher sinentloko emifutshane nomzimba wakhe, nangona ukuba akukho ngeenxa zonke, ebizwa disc.
Ezinye iimpawu imisebe
Ixesha elininzi ezithambekileyo marine Fox zakusa wangcwatyelwa ngezantsi uneentlenga okanye uyisanti. kubunzulu Favorite - ukususela amabini ezingamakhulu amathathu eemitha, kodwa kwakukho amatyala efumanise kwabameli ngamnye kubunzulu ka-550 m.
Olu hlobo loluka rombovym Amathambeka shark njengoko thresher, usapho fish cartilaginous. Sidla ziimpethu, kwindawo, squid ezincinane, yonke into ekuthiwa igama elinye - benthos. Ngamanye amaxesha yomxhesho abadala intlanzi akhoyo kunye neentlanzi ezincinane.
Imilinganiselo iimpungutye yolwandle oyindoda mincinane kakhulu, mabangabi ngaphezu kwe-70 cm. Imazi inkulu kakhulu. Abanye abantu bakhula ukuya kwi-120 cm.
buphindwe
Scat thrasher libhekisela yaytserodyaschim iintlobo, okt umbungu okhula ngaphandle komzimba sikanina. udonga Mate entwasahlobo, ukuba luphawulwa kwezichumiso lwangaphakathi. Emva apho izala amaqanda ayo nje iiveki ezimbalwa. Le nkqubo ngemihla kuzisa amaqanda 50-150 lonyaka. amaqanda stingray akhuselwe capsule ashinyeneyo kunye neenkqubo ezikhethekileyo lateral. Bafana lisiba ziqhotyoshelwe ukuba ulele, ubambe iqanda ndawo.
Young evela namaqanda kuvela ngeenyanga ezi-5. ummango amancinane abe ubude 12-13 cm. Power Kids iveliswa ngokuzimeleyo, ngokufuthi bona baba kukudla ezinkulu iintlanzi yokuphanga. Umlinganiselo wokuphila yazo thrasher - iminyaka 15-17. Mbile, amadoda kunye nabasetyhini ukufikelela malunga neminyaka esibhozo ubudala.
Le amaphiko pectoral of iingcuka ulwandle (sharks kunye ray)
Kunika umdla ukuqwalasela indlela ezahlukene phakathi ookrebe ray Ngokuba negama elifanayo. Fox Shark efana inomzimba ephilayo ukuba njengokutshayelwa phakathi enzulwini yolwandle. A scat iingcuka ikhangeleka ngathi yilinen enkulu enambuzelayo ngokusebenzisa iintshukumo lihlangana. Imilo umzimba ookrebe kunye reyi into isuke yi nasekusungulweni lweentlobo, kuba akhokelela zokuphila ezahlukeneyo.
Ngokwahlukileyo kuphuhliswa amaphiko pectoral of iingcuka yolwandle. umsebenzi wabo ixhomekeke kweentlanzi:
- Pectoral amaphiko ukrebe ulwandle iingcuka kuba nozinzo umzimba. Abayi musa ukuvumela rolls kwerhamncwa kwi ecaleni layo. Kwaye ke kukho uhlobo "bekwilift".
- Elwandle stingray amaphiko iingcuka pectoral zisetyenziselwa ukuhlela. Baye i imiphetho ebanzi engaqhelekanga ukuba ihlanganiswa umphezulu icala lomzimba kunye nentloko.
Ngenxa yoko, ngenxa awohluke ze isakhiwo pectoral amaphiko ukrebe afumene ithuba lokuba ukudada ngokukhawuleza nabakuvuyelayo zenzeke ngexesha ekuzingeleni kwakhe. A thrasher kummango nga kakuhle lula ukuhambisa kwikholam emanzini, ukuqokelela ifidi entle.
Enyanisweni, stingrays nookrebe - nezizalwane. Zombini ezi ntlobo kuba intlanzi mandulo cartilaginous. Nangona kunjalo, lo zazivelela wenza utshintsho kwisakhiwo yabathathi yakhe, yaye namhlanje kunzima ukukholelwa nomini ezinjalo.
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