Salmon shark (Lamna ditropis) ke ea sehlopha sa litlhapi tse lefufuru, lelapa la herring shark.
Litlhapi tsa salmon lia ata.
Lishaka tsa Salmon li ajoa haholo libakeng tsohle tse lebopong le leoatleng le ka boroa ho leoatle le lipakeng tse futhumetseng tsa Leoatle la Pacific Leboea, e lipakeng tsa 10 ° N. sh. le 70 ° leboea le ka leboea. Mefuta ena e kenyelletsa Leoatle la Bering, Leoatle la Okhotsk le Leoatle la Japane, hape e tloha Koung ea Alaska ho ea Southern California. Lishaka tsa Salmon hangata li fumaneha moeling oa 35 ° N. - 65 ° N. metsing a bophirima a Leoatle la Pacific le ho tloha 30 ° N. ho fihlela ho 65 ° N. ka botjhabela.
Libaka tsa salmon shark.
Boholo ba lishaka ke li-pelagic empa hape li lula metsing a lebopong. Hangata li lula bophahamong ba metsi sebakeng se ka tlase ho lefatše, empa li boetse li phaphamala metsing a tebileng a libaka tse futhumetseng tse ka boroa botebong ba bonyane limithara tse 150. Mofuta ona o khetha mocheso oa metsi lipakeng tsa 2 ° C le 24 ° C.
Matšoao a kantle a salmon shark.
Lishaka tsa batho ba baholo ba salmon li boima ba bonyane 220 kg. Lishaka tse ka leboea-bochabela ho Pacific li boima ebile li telele ho feta lishaka libakeng tsa bophirima. Bolelele ba 'mele bo fapana ka boholo ho tloha ho 180 ho isa ho 210 cm.
Mocheso oa 'mele oa litlhapi tse ngata o lula o tšoana le thempereichara ea metsi a e potileng.
Litlhapi tsa Salmon li khona ho boloka mocheso oa 'mele o phahame ho feta tikolohong (ho fihlela 16 ° C). Mofuta ona oa lishaka o na le 'mele o boima, o bopehileng joaloka sekontiri o nang le sefene se sekhuts'oane, se tepe. Gill slits li batla li le telele. Ho bula molomo ho pharalletse ebile ho chitja. Mohlaareng o kaholimo, ho na le meno a 28 ho isa ho a 30, mohlahareng o ka tlase - 26 27, meno a maholo a itekanetseng a nang le meno a mahlakoreng (li-tubercles tse nyane kapa "menoana a manyane") mahlakore ka bobeli a leino ka leng. Lepheo la morao-rao le na le sekhahla se seholo le se nyane haholo sa morao-rao. Lephegwana la mankge le lenyane. Lepheo la caudal le na le sebopeho sa seoli, moo mokokotlo oa mpa le mpa li batlang li lekana ka boholo.
Maphegwana a sephara a sephara a magolo. Karolo e ikhethang ke ho ba teng ha keel ho caudal peduncle le li-keel tse khutšoane tse haufi le mohatla. Mebala ea libaka tse ka morao le tse morao ke lefifi le boputsoa bo boputsoa ho ea botšo. Mpa e tšoeu, 'me hangata e na le matheba a fapaneng a lefifi ho batho ba baholo. Bokaholimo ba sefene le bona bo lefifi ka 'mala.
Ho tsoala salmon shark.
Tse tona di dula haufi le tse tshehadi, di di tshware ka maphegwana a pectoral ha di tlo kopana. Ebe lipara lia fapana, 'me litlhapi ha li sa na kamano e ngoe. Joalo ka lishaka tse ling tsa herring, ke li-ovary tse nepahetseng feela tse sebetsang ho salmon shark. Manyolo a kahare, mme kholo ea mahe a emeng e hlaha kahare ho mmele oa mosali. Mofuta ona ovoviviparous mme mahe a emeng a ntseng a hola a sirelelitsoe, mofuta ona oa nts'etsopele o kenya letsoho ho pholoheng ha peo.
Lelinyane hangata le na le lishaka tsa bana tse 4 ho isa ho tse 5 tse bolelele ba lisenthimithara tse 60 ho isa ho tse 65.
Litlhapi tsa salmon metsing a leboea li tsoala likhoeli tse 9 ka hoetla, 'me litlhapi tse ka boroa li tsoala nakong ea selemo, mathoasong a lehlabula. Lishaka tsa basali tsa salmon tse Pacific Leboea Bophirima li ikatisa selemo le selemo mme li hlahisa lishaka tsa bana ba ka bang 70 bophelong ba bona. Ha batho ba ka leboea-bochabela ho Leoatle la Pacific ba beleha lilemo tse ling le tse ling tse peli. Tse tona di kgona ho ikatisa ka bolelele ba mmele bo ka bang 140 cm le dilemo tse 5, ha tse tshehadi di fa bana ka bolelele ba mmele bo bolelele ba cm 170 le 180 ha ba le dilemo tse 8-10. Boholo bo boholo ba lishaka tsa basali tsa salmon bo fihla bolelele ba 215, le ho banna ba cm cm 190. Ka tlhaho, lishaka tsa salmon li phela lilemo tse 20 le 30. Mofuta ona oa litlhapi ha o so ka o bolokoa ka metsing a maholo, ha ho tsejoe hore na lishaka tsa salmon li ka phela nako e kae botlamuoeng.
Boitšoaro ba salmon shark.
Litlhapi tsa Salmon ke liphoofolo tse jang liphoofolo tse se nang sebaka se sa feleng kapa tse fallang ho ea batla liphofu. Mofuteng ona, ho na le phapang e totobetseng ea karolelano ea thobalano e bonoang litlhaping tse lulang Leboea le Pacific Basins.
Batho ba bophirima ba laoloa ke ba batona, athe ba ka bochabela ba busoa ke basali.
Ntle le moo, ho na le phapang ka boholo ba 'mele, e kholo ho batho ba ka boroa, ha lishaka tsa leboea li le nyane haholo. Litlhapi tsa salmon li tsejoa ka ho tsoma li le ling kapa ho fepa ka lihlopha tsa batho ba 'maloa, ho tloha ho lishaka tse 30 ho isa ho tse 40. Ke bajaki ba linako tse ling, ba lulang ba tsamaea kamora likolo tsa litlhapi tseo ba li fepang. Ha ho na tlhahisoleseling mabapi le likamano tse kenelletseng tsa li-shark tsa salmon; mofuta ona, joalo ka litlhapi tse ling tse lefufuru, o ikemiselitse ka thuso ea li-receptor tse bonoang, tse monko o monate, tsa lik'hemik'hale, tsa mechini le tsa kutlo.
Phepo ea shaka ea shaka.
Lijo tsa lishaka tsa salmon li entsoe ka mefuta e mengata e fapaneng ea litlhapi, haholo-holo ka litlhapi tsa Pacific. Lishaka tsa Salmon le tsona li ja trout, Pacific herring, sardine, pollock, Pacific saury, mackerel, gobies le litlhapi tse ling.
Karolo ea tikoloho ea salmon shark.
Litlhapi tsa Salmon li kaholimo ho piramite ea tikoloho le litsamaiso tsa leoatle tse ka tlase ho lefatše, tse thusang ho laola bongata ba litlhapi tse jang liphoofolo le liphoofolo tse anyesang tsa leoatleng. Lishaka tse nyane tsa salmon tse bolelele ba lisenthimithara tse 70 ho isa ho tse 110 li hlaseloa ke lishaka tse kholo, ho kenyeletsoa le shaka e putsoa le shaka e kholo e tšoeu. Le ho lishaka tsa batho ba baholo ba salmon ho na le sera se le seng feela se tsejoang ke libatana tsena - motho. Bonyane lishaka tsa salmon li fepa le ho hola metsing ka leboea ho moeli o ka boroa ho lefatše, libaka tsena li nkuoa e le mofuta oa "bana ba lishaka tsa masea". Ha ba le moo ba qoba ho hlaseloa ke lishaka tse kholo, tse sa seseng libakeng tsena ebe li tsoma leboea kapa boroa. Lishaka tse nyane ha li na mebala e fapaneng ea mahlakore a kaholimo le a tlase a mmele le matheba a lefifi mpeng.
Se boleloang ke motho.
Litlhapi tsa salmon ke mofuta oa khoebo, nama le mahe a tsona a bohlokoa haholo joalo ka lihlahisoa tsa lijo. Mefuta ena ea lishaka hangata e tšoasoa ka matlooa joalo ka ha e ts'oasa litlhapi tse ling. Japane, litho tsa ka hare tsa lishaka tsa salmon li sebelisetsoa sashimi. Litlhapi tsena li tšoasoa nakong ea ho tšoasa litlhapi tsa lipapali le boikhathollo ba bahahlauli.
Litlhapi tsa Salmon li sokeloa ke ho tšoasa litlhapi tsa khoebo. Ka nako e ts'oanang, litlhapi li tšoasoa ke marapo le matlooa, lihakisi li siea maqeba 'meleng.
Litlhapi tsa Salmon li ka ba kotsi ho batho, leha ho se lintlha tse tlalehiloeng ntlheng ena. Litlaleho tse sa netefatsoang tsa boits'oaro ba mofuta ona bathong li kanna tsa ba ka lebaka la ho se tsejoe ka mofuta o mabifi joalo ka shaka e kholo e tšoeu.
Boemo ba paballo ea salmon shark.
Hajoale, salmon shark e thathamisitsoe e le phoofolo e "nang le tlhaiso-leseling" ea ho amoheloa Lethathamong le Lefubelu la IUCN. Linomoro tse tlase tsa bacha le ho ikatisa butle ho etsa hore mofuta ona o be tlokotsing. Ntle le moo, tlhapi ea salmon shark ha e laoloe metsing a machabeng, mme sena se sokela ho theoha ka lipalo.
