Fish can have young in two basic ways, depending on fertilization occurs inside or outside the female's lub cev. Peb yuav xyuam xim tshwj xeeb rau kev tsim cov ntses hauv cov thoob dej yug ntses thiab kev tsim cov ntses rau cov menyuam yaus, uas peb yuav ua piv txwv hauv cov ntses clown, cov ntses uas tau ua tiav tsis zoo ua tsaug rau cov menyuam yaus cov yeeb yaj kiab Nrhiav Nemo thiab Nrhiav Dori.
Discover below in this article on our site ntses reproduce:
Oviparous ntses
Peb pib piav qhia txog yuav ua li cas ntses yug me nyuam los ntawm kev tham txog cov hom oviparous. Cov no muaj external fertilization, uas yog, tus poj niam nteg qe uas fertilized los ntawm tus txiv neej sab nraum nws lub cev. Cov qe no tuaj yeem muab tso rau hauv qab vim tias lawv tau ntab, lawv tuaj yeem tiv thaiv lawv hauv lub qhov ncauj lossis hauv lwm qhov ntawm lub cev xws li cov chav ua ke. Lawv kuj tuaj yeem tsim cov zes nrog cov khoom sib txawv.
Ntses uas tiv thaiv lawv cov qe tsim cov kev coj noj coj ua Vim cov qe no tuaj yeem noj tau yooj yim los ntawm cov tsiaj nyeg, cov ntses oviparous yuav tsum nteg ntau, kom muaj sia nyob. Bream, trout, tuna, puffer ntses, carp los yog hiav txwv bass nyob rau hauv pawg no.
Viviparous fishes
Ntawm no, yuav piav qhia yuav ua li cas ntses yug me nyuam peb yuav tsum to taub tias peb tab tom cuam tshuam nrog Internal fertilization Cov txiv neej fertilize lub qe uas tus poj niam nqa hauv nws. Tus poj niam yug me nyuam, hu ua alevines, uas yog yug los ua tag nrho. Hom kev yug me nyuam no ua rau muaj feem muaj sia nyob ntawm cov xeeb ntxwv. Qee tus sharks koom nrog pawg no.
Ovoviviparous ntses
Kev tsim tawm ntawm hom no kuj muaj fertilization sab hauvCov poj niam muaj peev xwm khaws cov phev mus nteg qe yam tsis muaj txiv neej. Nws ua rituals kom nyiam nws. Nws, tom qab copulation, nqa cov qe hauv nws lub cev. Cov me nyuam loj hlob hauv cov niam thiab cov qe tawm los yog raug tshem tawm sab nraud. Tiger, white and bull sharks reproduce this way.
Thaum kawg, hais txog yuav ua li cas ntses yug me nyuam, nws yog nthuav kom paub tias ib txhia migrate mus reproduce. Yog li, cov ntses salmon nyob hauv hiav txwv thiab thaum kawg ntawm lawv lub neej lawv nce mus rau cov dej ntws mus rau ntses. Lawv yog ntses ntses Ntawm qhov tod tes, eels nyob hauv cov dej ntws thiab, ib zaug npaj rov tsim dua, nqis los rau hauv hiav txwv uas lawv yug. Lawv koom nrog pawg catadromous ntses
Yog tias peb xav kom tsev neeg coob nyob hauv peb lub thoob dej yug ntses peb yuav tsum tau ua raws li cov kev xav hauv qab no:
- Zoo meej, peb yuav tsum paub meej tias cov ntses hauv peb lub thoob dej yug ntses yuav ua li cas.
- Tseem ceeb kom paub tias qee cov ntses yuav nthuav tawm sexual dimorphism, uas yog, txiv neej thiab poj niam muaj xim sib txawv los yog qhov loj, uas pab kom lawv sib txawv.
- Lwm ntses yuav tau hermaphrodites, lawv coj tau zoo li txiv neej los yog poj niam indistinctly, lawv muaj peev xwm ncav cuag kev sib deev maturity li poj niam thiab ua txiv neej los yog vice versa.
- Vim peb cov ntses no yuav tsum npaj qhov chaw. Piv txwv li, yog tias lawv yog ntses uas yug rau ntawm pob zeb, lawv yuav tsum tau muab pov tseg.
- Ib yam li ntawd, nws tseem ceeb heev uas peb tsim cov xwm txheej zoo tshaj plaws ntawm lawv qhov chaw nyob. Qhov kub, pH, huv si thiab oxygenation ntawm dej los yog zaub mov yuav tsum haum.
- Muaj ib pawg ntses fav xeeb kev yug me nyuam.
- The feed yuav tsum txaus. Ceev faj nrog kev pub mis ntau dhau, vim nws tuaj yeem ua rau peb xav tias tus poj niam cev xeeb tub. Peb kuj yuav tau xyuam xim tshwj xeeb rau kev pub cov kib.
- Peb yuav tsum ua tib zoo saib xyuas peb lub thoob dej yug ntses vim qee tus poj niam tuaj yeem tuaj txog fertilized, zoo li cov guppies.
yuav tsum paub tias qee qhov koj yuav tau ZAUB Meej Yaj, uas yog lawv cov ntses lossis lwm tus ntses tau noj lawv.
Ntsuab yug me nyuam
Thaum kawg, nyob rau hauv nqe lus no peb yuav piav qhia yuav ua li cas cov ntses paub zoo tshaj plaws rau cov me nyuam yug, cov ntses clown popularized los ntawm Nemo. Raws li peb tau hais lawm, nws yog ib qho tseem ceeb uas peb muaj lub thoob dej yug ntses nrog cov yam ntxwv zoo tshaj plaws rau hom. Clownfish yog oviparous thiab hermaphrodite Lawv nthuav tawm ib qho kev ua yeeb yam thiab qhov no tshwm sim nyob rau lub caij nplooj ntoo hlav.
Thaum yug me nyuam, uas muaj 2 xyoos, cov ntses tseem ceeb tshaj plaws, feem ntau yog qhov loj tshaj, yuav yog tus poj niam Lawv yuav lo lawv cov txiv kab ntxwv, lub qe zoo li lub qe rau ntawm cov nroj tsuag, pob zeb, lossis lub lauj kaub yooj yim. Tsis ntev ua ntej muab tso rau peb tuaj yeem pom tus poj niam dav dua thiab ob leeg ntxuav lawv ib puag ncig. Cov txiv neej saib xyuas lawv thiab peb yuav pom lawv ua luam dej nyob ib puag ncig lawv, txav lawv cov fins kom oxygenate dej. Lawv cov xim yuav hloov thiab lawv yuav tawm hauv 7-10 hnub, thaum hnub poob.
Cov kib yuav noj cov zaub mov zoo thiab nws yog qhov zoo kom txav lawv mus rau lwm lub thoob dej yug ntses kom tsis txhob noj. Qe tuaj yeem txav tau. Qhov no yog qhov nyuaj tshaj plaws. Tsawg lub teeb thiab noj zaub mov raws li rotiferous thiab artemia salina pom zoo. nrog cov kws tshaj lij. Thaum kawg, yog peb xav yug cov ntses no hauv tsev, peb yuav tsum xyuas kom meej tias cov qauv tsis tau raug ntes nyob rau hauv hiav txwv khaws cia ib puag ncig.
