Leshaka le sephara le nang le hlooho e sephara: linepe, lintlha tse khahlisang

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Nonyana e bitsoang flat gark shark (Notorynchus cepedianus) ke tlhapi e lefufuru.

Ho ajoa ha shark e hlooho e sephara.

Lishaka tsa li-gill tse supileng li hlooho li bataletse li ajoa maoatleng ohle ntle le Leoatle la Atlantic Leboea le Leoatle la Mediterranean. Mefuta ena e tloha karolong e ka boroa ea Brazil ho ea leboea ho Argentina, likarolo tse ka boroa-bochabela le boroa-bophirima ho Leoatle la Atlantic. Mofuta ona oa lishaka o fumanoa haufi le Namibia Afrika Boroa, metsing a Japane Boroa le ho fihla New Zealand, hape le haufi le Canada, Chile, karolong e ka bochabela ea sebaka sa Pacific. Lishaka tsa gill tse supileng li tlalehiloe Leoatleng la India, leha ho le joalo, ho ts'epahala ha tlhaiso-leseling ena hoa belaetsa.

Sebaka sa shaka e nang le lihlooho tse supileng.

Lishaka tse nang le lihlooho tse sephara tse nang le hlooho e sephara ke lintho tse phelang metsing tse amanang le shelefo ea k'honthinente. Ba lula maemong a fapaneng a botebo ho latela boholo. Batho ba bangata ba khetha ho lula botebong ba leoatle ho fihla ho limithara tse 570 mme ba fumanoa libakeng tse tebileng libakeng tsa likou. Mehlala e menyenyane e bolokoa metsing a sa tebang, a lebopong ka botebo bo ka tlase ho mithara e le 'ngoe' me e tloaelehile libakeng tse sa tebang haufi le lebopo kapa melomong ea linoka. Lishaka tsa li-gill tse nang le lihlooho tse sephara li khetha libaka tsa majoe tse tlase, leha hangata li sesa haufi le botlaaseng ba seretse kapa lehlabathe. Lishaka tsa Semigill li khetha ho etsa metsamao e liehang, e boreleli hoo e batlang e le haufi le substrate e ka tlase, empa ka linako tse ling li sesa ka holim'a metsi.

Matšoao a kantle a shaka e nang le lihlooho tse supileng.

Lishaka tsa li-gill tse nang le lihlooho tse sephara li na le li-gill slits tse supileng (lishaka tse ngata li na le tse hlano feela), tse ka pele ho 'mele haufi le mapheoana a letlalo. Hlooho e sephara, e chitja, e na le bokhutšoaane bo bokhutšoanyane bo ka pele, moo molomo o pharaletseng o hlahang teng, mahlo a manyane a batla a sa bonahale. Ho na le lepheo le le leng feela la mokokotlo (lishaka tse ngata li na le mapheoana a mabeli a ka morao), e fumaneha kamora 'mele.

Lephegwana la heterocercal caudal le la morago ke le le nnyane go feta la lephegwana la ka morago. 'Mala oa shaka ka morao le mahlakore e ka ba bosootho bo bofubelu, o boputsoa bo boputsoa kapa bosootho ba mohloaare. Ho na le matheba a manyane a manyane mmeleng. Mpa e boreleli. Meno a mohlahareng o ka tlase a tšoana le khekhe 'me meno a mohlahare o kaholimo le ona a theha mola o sa lekanang. Bolelele bo boholo ke 300 cm mme boima bo boholo ka ho fetisisa bo fihla ho 107 kg. Lishaka tse sa tsoa tsoaloa li boholo ba lisenthimithara tse 45 ho isa ho tse 53. Tse tona li fihla kholo ea thobalano lipakeng tsa lisenthimithara tse 150 ho isa ho tse 180 ka bolelele 'me tse tšehali li fihlela kholo ea thobalano lipakeng tsa lisenthimithara tse 192 le tse 208. Tsehali hangata li kholo ho tse tona.

Ho tsoala lishaka tse nang le lihlooho tse supileng tsa hlooho e bataletseng.

Li-shark tse nang le lihlooho tse sephara li ikatisa ka linako tse ling selemo se seng le se seng. Tse tshehadi di jara malinyane ka likhoeli tse 12 mme nakong ea selemo kapa mathoasong a lehlabula li ea libakeng tse sa tebang ho tsoala fry.

Mahe a qala ho hlaha kahare ho mmele wa e motshehadi mme mahe a emolwang a fumana dimatlafatsi ho tswa ho yolk sac.

Lishaka tsa li-gill tse supileng li hlahisa mafura a 82 ho isa ho a 95, bolelele bo bong le bo bong ba cm 40 ho ea ho 45. Lilemong tse 'maloa tsa pele, lishaka tsa bana li lula likoung tse sa tebang tse lebopong tse fanang ka tšireletso ho liphoofolo tse li jang ho fihlela li tsofetse ho lekana Sebaka sa metsing. Nako e tloaelehileng ea ho ikatisa ea lishaka tse nang le lihlooho tse sephara ha e tsejoe, empa basali ba lumeloa hore ba tsoala pakeng tsa lilemo tse 20 le 25. Di tswala bana kamora dilemo tse ding le tse ding tse pedi (dikgwedi tse ding le tse ding tse 24). Mofuta ona oa lishaka o na le matla a ho ba le bana, li-fry li kholo, lishaka tse nyane li hola butle, li tsoala morao haholo, li phela nako e telele ebile li na le sekhahla se phahameng sa ho phela. Kamora ho hlaha, lishaka tse nyane hang-hang li iphepa, litlhapi tse kholo ha li hlokomele bana. Ha ho na leseli le lenyenyane ka bophelo ba lishaka tse hlobotseng tse hlobotseng. Ho lumeloa hore li lula naheng ka lilemo tse ka bang 50.

Boitšoaro ba 'gill shark' e hlooho e sephara.

Lishaka tse nang le lihlooho tse sabaletseng li theha lihlopha nakong ea ho tsoma. Metsamao ea tsona ea ho batla lijo likoung e amahanngoa le ho fokotseha le phallo. Nakong ea selemo le lehlabula, litlhapi li sesa libakeng tsa leoatle le moo li fihletseng teng, moo li tsoalang le ho tsoala bana. Libakeng tsena li fepa ho fihlela ka hoetla. Li khutlela libakeng tse itseng ka linako tse ling. Lishaka tse nang le hlooho e sephara tse nang le hlooho e sephara li na le temoho e ntlafalitsoeng ea lik'hemik'hale, hape li lemoha liphetoho khatello ea metsi, 'me li itšoara ka likaroloana tse lefisitsoeng.

Ho fepa li-gill tse supileng tse hlooho li sephara.

Lishaka tse nang le hlooho e sephara tse nang le hlooho e sephara ke liphoofolo tse jang liphoofolo tse nang le mefuta e mengata. Li tsoma li-chimera, li-stingray, li-dolphin le litiiso.

Ba ja mefuta e meng ea lishaka le mefuta e fapaneng ea litlhapi tse nang le masapo joalo ka herring, salmon, anoids, hammoho le setopo, ho kenyeletsoa le likhoto tse shoeleng.

Lishaka tse bitsoang li-gill tse hlooho li sephara ke litsomi tse tsoetseng pele tse sebelisang lisebelisoa le maqheka a fapaneng ho ts'oasa phofu ea tsona. Li lelekisa phofu ka lihlopha kapa ka ho lalla, butle-butle lia nyenyelepa ebe li hlasela ka lebelo le phahameng. Mohlahare o ka tlase o na le meno a sephara, 'me meno a mohlahare o kaholimo a siloe, e lumellang lishaka tsena ho fepa liphoofolo tse kholo. Ha sebatana se loma phofu ea sona, meno a mohlahareng o ka tlase, joalo ka ankora, a ts'oara phofu. Shark e isa hlooho ea eona morao le morao ho khaola likotoana tsa nama ka meno a ka holimo. Ha e se e tletse, tlhapi e sila lijo ka lihora tse 'maloa kapa esita le matsatsi. Lijo tse matla joalo li lumella shaka hore e se sebelise matla a eona ho tsoma matsatsi a seng makae. Khoeli e 'ngoe le e' ngoe, gark shark e kholo e ja karolo ea leshome ea boima ba eona lijong.

Karolo ea tikoloho ea li-gill tse supileng tse hlooho li bataletseng.

Lishaka tse nang le hlooho e sephara tse nang le hlooho e bataletseng ke liphoofolo tse jang liphoofolo tse lulang kaholimo ho piramite ea tikoloho. Ha ho na leseli le lenyane ka litlamorao tsa tlholeho ea mofuta ona. Li tsongoa ke lishaka tse kholoanyane: leruarua le leholo le lesoeu.

Se boleloang ke motho.

Lishaka tse nang le lihlooho tse bataletseng tse nang le hlooho e sephara li na le boleng bo phahameng ba nama, bo li etsang mofuta oa khoebo. Ntle le moo, baahi ba lehae ba sebelisa letlalo le matla la tlhapi, 'me sebete ke ntho e tala bakeng sa tlhahiso ea meriana.

Lishaka tsa tlhapi tse sephara li ka ba kotsi ho batho metsing a bulehileng. Tlhaselo ea bona ho ba fapaneng lebopong la California le Afrika Boroa e tlalehiloe. Leha ho le joalo, hoa lokela ho hlokomeloa hore tlhaiso-leseling ena ha e so netefatsoa, ​​ho ka etsahala hore e ne e le lishaka tsa mofuta o fapaneng.

Boemo ba paballo ea shark e hlooho e sephara.

Ha ho na tlhaiso-leseling e lekaneng bakeng sa ho kenyelletsoa ha li-shark tse nang le lihlooho tse sephara Lethathamong le Lefubelu la IUCN ho fihlela qeto ea hore ho na le litšokelo tse tobileng kapa tse sa tobang tikolohong ea mofuta ona. Ka hona, tlhaiso-leseling e ngata e ea hlokahala ho hlakisa boemo ba shark e hlooho e sephara ea sevengill.

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