News and Society, Uhlobo
Luhlobo olunjani iintlanzi badle? Okuzingela echibini iintlanzi. ulwandle fish yomona
Fish - yinto superclass ekuyo zasemanzini. Bona luphawulwa dj uphefumlayo. Bona aqhelekile zombini amanzi kunye netyiwa; emifuleni entabeni, kunye nezitya zokutshiza ubunzulu bolwandle. Ezi zidalwa zidlala indima ebalulekileyo eziphilayo ezininzi zezilwanyana zasemanzini kunye zibalulekile kwezoqoqosho kakhulu abantu. Olo inkcazo emfutshane kubo. Njengoko unokuba elithekelelwayo, kweli nqaku siza kuqwalasela iintlanzi, ingakumbi abemi karhataka zobukumkani kwamanzi. Siza kukuxelela malunga umhlaseli idumileyo kwaye inemibalabala: ufunda, oko kudla, yaye yintoni uhlobo iintlanzi ukuba adle.
A bit zesihobe ...
Njengomgaqo, kwindawo entle amanzi ilanga usikhumbuza ngesipili enkulu. Enye kuphela ukuba ukujonga oku 'isipili' njengoko ngoko kuya kuba amafu zibonakale lonke behla isibhakabhaka kunye nemithi, ukugoba umzimba ngamanzi. Ngalo mzuzu, kusenokubonakala ngathi ukuba dama akananto nabafileyo, kodwa akunjalo! Eneneni, phantsi kwalo umphezulu impindezelo isipili-ezifana ngokupheleleyo ubomi! Maxa wambi kukho nokuba kwanokubuyisela inkanuko embi. Enye abadlali abaphambili kulo "umdlalo" kwamanzi ngayo iintlanzi. Xa kwaye awukwazi ukuxelela esidla into uhlobo intlanzi, kodwa kuyenzeka apho afike!
Ngoobani aba ntlanzi?
Inkcazelo emfutshane zenzululwazi kwezi zilwanyana, savelisa kuwe ngaphezu. Ngamagama alula, intlanzi idla ngokuba zonke ezinomqolo kulo imithombo yamanzi acocekileyo kunye netyuwa. Phantse zonke iintlanzi ziye zidityaniswe amaphiko imilenze thaca, kunye nenkqubo yabo nokuphefumla - oko iimpumlo. Ukususela imbono yokuhlelwa umyezo, intlanzi - igama eziqhelekileyo iquka-6 ezahlukeneyo (amaqela) eziya kwahluka izinto ezibonisa ezahlukeneyo, enye leyo eyalatha nentlanzi yokuphanga ngoweqela ngabanye okanye noxolo. Kweli nqaku, banomdla kakhulu amarhamncwa thina. Makhe sibone ukuba uhlobo iintlanzi ukutya ntoni.
na- eziqhelekileyo
Oku mmi obabuthandwa amanzi kweli lizwe lethu. zakhele eziQhelekileyo fanele kwiklasi kakhulu emininzi kakhulu nakwiintlanzi - ukuya ray-finned. emzimbeni yakhe yokuxazulula zixinaniswe, ine- seqanda kwaye iqulathe ezintathu: intloko, buti, ngumsila wena. Iphezulu, kwakunye nezinye zonke iintlanzi, ephefumlayo ngokusebenzisa iigilizi, ngoko ke ioksijini kubalulekile. Wathi yena, kodwa bengabonakali ncam kunjalo ofana nathi: intlanzi ukuze ndikhuphe oksijini evela emoyeni akakho, baphuma emanzini. Ukuze benze oku, intlanzi kuyanyanzeleka ukuba umoya emlonyeni inkonjane, banishing kuwo kwisisu kumculo, umhlaba ophantsi dj ezikuyo.
Yintoni odla iphezulu eqhelekileyo?
zakhele Ordinary - a karhataka echibini iintlanzi. Ifumaneka emilanjeni, emachibini, amachibi, iindawo zokugcina eYurophu nakuMntla Asia. Iphezulu yaziswa kwi-Afrika, New Zealand kunye Australia. Ekudleni ezi ntlanzi kwenza nezinye iintlanzi amatsha. Ekuqaleni na- Qhotsa zitya zooplankton, kwaye kamsinya nje bekhula, aqale ukuzingela ezinye zakhele abatsha zeCARP. Qhotsa zezinye izalamane, ezi ntlanzi ziyaqala ukondla, ngokuqhelekileyo ngomnyaka wesibini ubomi bakhe. Nge ubudala, zakhele eqhelekileyo iya ukuzingelwa intlanzi enkulu kunye mobile ngakumbi.
Njengoko perches wokuzingela?
Ezi abadala irhamncwa kakhulu inokusityeda, kunye namandla. Bona ukudada ngokukhawuleza kakhulu, ngamanye amaxesha ayeke ngokupheleleyo, kodwa ngoko nangoko sukela phambili. Le ntlanzi ube nomlomo omkhulu, sise ekupheleni phambi entloko. Emlonyeni, nkqu ngeliso lenyama kungabonwa umhlathi namaqhosha enamazinyo amaninzi, kunjalo, encinane. Ukuba perches ziqala hunt wabo, ngoko umntu ayikho ingxaki ncam enkulu!
Okuzingela ichibi iintlanzi ukugxotha ixhoba labo elide nzima. Iphezulu Lisuka nje emva kwakhe, wavula umlomo wakhe elikhulu nokuphimisela uhlobo "Champ". Abalobi bathi ndoyika amaxhoba amaninzi uyaxhuma ephuma emanzini, kodwa ukuba ungabi kunceda ntoni: bass ufumana into ayifunayo. Maxa wambi la marhamncwa, kakhulu gqitha ukusukela lexhoba lakhe, ziyavela emva kwakhe balahleke, kwaye ngamanye amaxesha phezu kwentlabathi ... Ngokubanzi, perches - ke amarhamncwa kaThixo: ezi indalo ukuzibambela akayi miss ephilileyo ekwaziyo fit emlonyeni wabo .
Pike ezifanayo
Pike - intlanzi yokuphanga awayengabemi amanzi e North America kunye lonke Eurasia. Ngokubanzi, ingafunyanwa kwi wonxweme, xa ityholo emanzini kwifomu lume okanye amile ngokupheleleyo. Ukusuka lo mbono, Pike - emlanjeni irhamncwa. Kodwa ke kwenzeka kwaye freshened iindawo kweelwandle ezahlukeneyo. Umzekelo, unako ukufumana Pike e Riga, Finland kwaye i Curonian Lagoon, ulwandle iBaltic, kwakunye kwi eTaganrog Bay of the Sea Azov. Kususela kuloo mbono, lo Pike - intlanzi elwandle yokuphanga.
Le Pike feeds?
main ukudla kwayo isekelwe phezu nabameli iintlobo ngeentlobo zeentlanzi. Umzekelo, ukuba bonwabile ukuhlasela:
- perches;
- ruffs;
- minnows;
- bream;
- minnows;
- bream;
- Isakare;
- zeenkomo-Cottidae.
Ukuphendula umbuzo malunga uhlobo intlanzi esidla into, i weentlanzi ukufunda bathi, ukuba qatha engqondweni na Pike, ukuba iziyolo wayidla Roach. Isizathu icacile: yinto yokuba Pike - ongamiselwanga uphawu zonke ezizingelayo umlambo kwilizwe lethu, kwaye Qhotsa amancinci - ukutya ozithandayo kakhulu.
Ichthyologists ukuchaza iimeko apho ezi ntlanzi babebanjwe amrholela ngaphandle naye emanzini yeempuku, iimpuku, amadada amancinane, iintaka zaselwandle, nkqu protein! Zonke ezi zilwanyana uqubha emanzini aphilileyo ngexesha yokufuduka lwazo. zezinto ezinkulu ihlasela ngokubanzi amadada abadala, ingakumbi ngexesha moult zabo. Xa kwentwasahlobo ekuqaleni kwehlobo lonyaka Pike lula awadli yenamvuna kunye namasele. Hi ndlela leyi, ixhoba zinako uko- intlanzi Pike, phantse kabini isixa umhlaseli yobukhulu balo!
Iintlanzi kakhulu yingozi kwaye karhataka ehlabathini - le omhlophe
iintlanzi okuzingela, wabiza umntu, esidla, karharodonom okanye shark enkulu emhlophe - oko ezimbi yaye omnye ntlanzi inkulu kakhulu kwiplanethi yethu. Kwi-avareji, ezi utshaba bakhule 4.7 ubude, kodwa abanye abantu ichthyologists, ukufikelela kwiimitha 7 ubude nezinobunzima ukuya ku 1,900 kg zirekhodwe. Shaka akukho amathambo amathambo abo iqulathe nocatshulo intlala. Isikhumba abaninzi kubo wambu ngamacingo elibukhali, spikes. Loo nto inika umdla abemi ezinye iziqithi esebenzisa isikhumba kookrebe njengento esirhabaxa.
Umiwe ookrebe ezimhlophe bangoobani na?
Xa unikezelo omkhulu! Ezi umhlaseli ahlale iilwandlekazi ezivulekileyo Insular amanzi onxweme kweshelfu elizwekazi ogama lobushushu ifikelela degrees 13-25 Celsius. Kodwa kukho ukrebe abakhetha ukudada emanzini emvula. Eyona indawo eyinhloko ukuqokelelana ezi zezilo - amanzi eselunxwemeni Baja California (Mexico), California (USA), New Zealand, eOstreliya, uMzantsi Afrika kunye kuLwandle lweMeditera. Le ntlanzi embi inokufumaneka (kodwa kungcono ukuba ukuhlangabezana!) Yaye US East Coast, kude emdeni kwisiqithi Cuba, Argentina, Brazil, njl It ezikuyo uLwandle Olubomvu (Indian Ocean), Seychelles, Mauritius kunye namanzi njl
Yintoni odla omhlophe?
Ookrebe White - intlanzi yokuphanga (iboniswe ngezantsi), idla lonke endleleni yayo. "Ingcuka emhlabeni - ukuba loo ukrebe elwandle" - ngoko thetha oomatiloshe. Yaye akumangalisi! Ezi izibawu eyingozi nomzingeli balandele iinqanawa zokulindela yintoni athe wawa emanzini okanye kwezinye izilwanyana. Kodwa umthetho, oku akwenzeki, ookrebe ezimhlophe (kunye ukrebe kwaphela) Kuluvuyo olukhulu ukuba udle konke oko abantu abakrwada ulahle kude asinto ingqayi, kwaye ngqo ukusuka baneenqanawa elwandle kunye neelwandle:
- iinkonkxa;
- zimvaba;
- iibhotile engenanto;
- tableware alahlwayo;
- nezinye izinto.
Njengoko zesondlo izilwanyana, ezi ntlanzi hunt ubukhulu becala ngexesha lasemini sisitya izilwanyana ezifana:
- ummango;
- tuna;
- nezinye sharks;
- dolphins;
- iihagu Guinea;
- imik;
- amatywina;
- iingonyama elwandle ;
- amatywina;
- iilynx elwandle ;
- Ufudo elwandle;
- iintaka.
Ookrebe ezimhlophe scavengers yaye soze uzakufun aukugqithisa isidumbu ndiyingwenya na efile. Ke kaloku, amaqhinga ukuzingelwa ezidla ixhomekeke kwimveliso ethile. Umzekelo, Force Island na ngesantya kakhulu ukuhlaselwa yezimvu Cape, kwaye yeka unxweme California yenze wasentla amatywina elephant. uphawu Common ezi irhamncwa mbambe ngqo zaselwandle ukusuka kwamanzi, ngokutsala ezinzulwini zolwandle.
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