Ukuhlelwa iintlanzi: isiseko ekhuhlelwe nemizekelo

Zeentlanzi abemi ezimangalisayo yehlabathi anzongonzongo. Le yenye yezona zinkulu kwaye uninzi ezahlukeneyo amaqela zezilwanyana. iimpawu ezikhethekileyo ngesakhiwo, ngokuhlelwa iimpawu neentlanzi, wayifaka eziqinileyo, kuya kuxoxwa ngazo kwinqaku lethu.

Superclass Pisces: iimpawu ngokubanzi

Yiloo nto abantu bazithembe uthelekise ezi zilwanyana. Thetha ngazo: "Ndivakalelwa ngathi kukho iintlanzi emanzini." Kwaye ngenene, iintlanzi ezineefitsha zezakhiwo enza ukuba olu bume. Ezi ziquka kuhlengahlengiswa imilo umzimba, ubukho engenamaphiko namaxolo, isikhumba yencindi-etyebileyo nokuphefumla dj.

Basics yokuhlelwa

Ezi izilwanyana zasemanzini iziinxalenye ngokwemimiselo ezahlukeneyo. Kuqala kwinto zonke, intlanzi kugqalwa ukuhlelwa iimpawu zezakhiwo. Kuxhomekeka olu didi othile owahlukileyo intlala bone. abameli yokugqibela ezineefitsha thuthu ngesakhiwo namandla. Ngoko ke, phakathi kwesi umanyano ngendlela nangoku anikezele inani leeyunithi.

Ngokutsho entsimini ukusetyenziswa kweentlanzi owahlukileyo zokuhomba kunye nokutya. umntu wokuqala wakhulela akwariyam namachibi nje yokuhombisa zokuhombisa. Le Angelfish, Catfish, neon, guppies, izinkcwe, kunye nabanye abaninzi. fish indoda Commercial siyakhuthazeka ukutyiwa ngabantu. elide Kuye zaba kukudla kwabo kunye namaqanda uju ayithandayo, kunye namanqatha - ichiza ezixabisekileyo.

Kukho kwakhona ulwahlulohlulo lwendalo iintlanzi. Sithabathela ingqalelo iimeko zokuhlala kwabo. Kusenokuba iintlobo ezahlukeneyo lwemizimba amanzi acocekileyo, ocean okanye elwandle.

Ukuhlaselwa enkulu intlanzi ...

Ukuhlelwa iintlanzi yorhwebo sithabathela ingqalelo nayo ubukhulu. Ukususela kulo msebenzi ixhomekeke indlela lungabanjwa kunye nokugcinwa elandelayo zempahla ekrwada. Ngokobunzima nobukhulu ukwahlula amancinci, aphakathi kunye nentlanzi enkulu. Ngalinye kula maqela uneempawu zawo ezixabisekileyo. Umzekelo, sprats ziyahluka incasa elihle yaye sisetyenziswa ngokubanzi yokudla, nangona kubungakanani encinane kakhulu.

Kuba iintlanzi yorhwebo iimpawu zakwantu zibaluleke ethile. Ngoko ke, ukuba azakubalulwa umthamo ngamanqatha. Umzekelo, cod, hake navaga kwaye esi salathisi akuthethi ngaphezulu 4%. Iintlobo ezinjalo zithathwa ukuba ukuswela-fat okanye ezinqinileyo. Izinga eliphezulu ngokusekelwe sprat kucingelwa, mackerel, herring, saury, Intlanzi kunye stellate sturgeon. candelo lwabo ngamanqatha kune kakhulu umgangatho-8%.

The Research Commodity wasebenzisa ingqiqo ka "iintlobo" kunye "nentsapho." Fish, uhlelo intlanzi emiselwe izenzo zorhwebo lusoloko lusekwe phezu iimpawu zangaphandle. Umzekelo, usapho herring lidibanisa, apho umzimba yokuxazulula zixinaniswe kunye kuwa ngokukhululekileyo. iintlanzi ezinjalo ndayihluthwa umgca osecaleni. Bathi ephikweni amanakani owodwa kwaye umsila uye inotshi olwahlukileyo. Lo mkhaya herring, sprat, sprat, sprats.

Ukuhlelwa yokwakheka zeentlanzi: itafile

Bakholelwa ukuba xa yahlulwe iindidi zeentlanzi kuthathelwa ingqalelo kuphela iimpawu lwesakhiwo amathambo. Kodwa oku akuyonyaniso. Basics yokuhlela yokwakheka zinikwe kule theyibhile.

yokuhlala

Ukuhlelwa zokuhlala zeentlanzi ikwacacisa amaqela eziliqela. Eyokuqala abemi zaselwandle. It ulwe, herring, halibut, mackerel, cod. angenawo zezi zeCARP, Intlanzi, zeCARP, sisinkantazi, zeCARP. Bayayigqiba ubomi bawo bonke indawo yokuhlala apho kukho amaqanda abo. imisebenzi ebalulekileyo kula maqela kuxhomekeke etyuwa lokusingqongileyo. Ngoko ke, ukuba iintlanzi zolwandle abasuka kuwo amanzi, bakhawuleza kufa.

neentlanzi zifuduka

Uhlelo yokuhlala fish yokuphila ibandakanya elinye iqela ekuthiwa Globe. Oku kuquka abameli superclass ezihlala elwandle kodwa zizala emanzini aphilileyo wafayo. Le sturgeon kunye nesalmon. kwiintlanzi anadromous kuthiwa anadromous. Kodwa eels ngexesha zidala uya e icala - ukusuka emlanjeni ukuya elwandle. Ezi abameli ngumntu yeentlanzi catadromous.

Ngokwenza le ndlela enzima, abameli bahambe-ngokusebenzisa baphelelwa amandla amaninzi. Kufuneka ukudada kuchasene, ukuba ukoyisa enemisinga, kwiingxangxasi. Lonke eli xesha abadli, futhi zisebenza reserve yalo nenqatha kunye nezondlo. Ngoko ke, neentlanzi ezininzi ezidla ukudada endaweni yokuzala, zizala size sife. A indawo esisigxina yokuhlala umva sele gorilla. Kusenjalo imfihlelo ngayo iintlanzi ukufumana indlela egodukayo. Abanye bayakwazi ukuba ujungujungu izihlandlo eziliqela ebudeni bexesha lokudla kwabo. Ngexesha zidala of metamorphoses zentlanzi lwangaphandle. Ngokomzekelo, omnye nesalmon lukhula idolo emqolo, izidlele zayo ngentola kujikwa.

Ngoko ke, ukubekwa iintlanzi zadweliswa ngokobunjani eziliqela. Ezi iinkalo asemzimbeni kunye nesakhiwo lwangaphakathi, ubukhulu, isiqulatho nenqatha, indawo yokuhlala, indlela yokuphila, ububanzi ukusetyenziswa.