UMary Allen
Esikhundleni samaphaphu, izinhlanzi zinezinyosi. Ziyizimo ezibaluleke kakhulu zokujwayela ukuphila kwasemanzini. Amagill avumela izinhlanzi ukuthi zihambe emanzini ngaphandle kokuthi zikhuphukele emoyeni.
Izinhlanzi zijwayelana kanjani nokuphila emanzini?
Izinhlanzi zijwayelana kahle nokuphila emanzini: umzimba ulula. Lokhu kusho ukuthi inikeza ukumelana okuncane emanzini azungezile, ngakho amanzi angageleza kalula eduze kwawo. Ngaphezu kwamathambo ohlaka lwamathambo, le nhlanzi inamathambo amancane acishe abe yintambo.
Izilwane zijwayelana kanjani nokuphila emanzini?
Umzimba unwetshiwe, okuvumela ukunyakaza okuzungezayo emanzini. Umsila wephini elinamandla, onemisipha usuthathe indawo yemilenze njengamandla okushayela. Izingalo nemilenze kufinyezwe kakhulu.
Iphila kanjani inhlanzi?
Bonke abamele izinhlanzi bahlala emanzini. Izindawo zokuhlala zezinhlanzi zingamanzi aphakathi nezwe anamanzi azo ahlanzekile (izinhlanzi zasemanzini ahlanzekile) kanye nolwandle olunamanzi azo anosawoti (izinhlanzi zasolwandle). Izinhlanzi zinemizimba ehlelekile. Banezimpiko zokunyakaza.
Ikhula kanjani inhlanzi?
Izinhlanzi zizala ngokuvundiswa kwangaphandle. Ngale njongo, amaqanda amaningi avundiswa ngaphandle komzimba. Izibungu zezinhlanzi zikhula emaqandeni avundisiwe, anikezwa lokho okubizwa ngokuthi i-yolk sac ezinsukwini ezimbalwa zokuqala. I-trout ensundu izalela amaqanda angaba ngu-1,500.
I-carp ijwayela kanjani impilo emanzini?
Esikhundleni samaphaphu, izinhlanzi zinezinyosi. Ziyizimo ezibaluleke kakhulu zokujwayela ukuphila kwasemanzini. Amagill avumela izinhlanzi ukuthi zihambe emanzini ngaphandle kokuthi zikhuphukele emoyeni.
Izinhlanzi ezinaziphi izembozo zomzimba?
Njengezilwane ezihlala emanzini, izinhlanzi nazo zinesikhumba esishelelayo. Umzimba wenhlanzi unamazenga amahle ukuze inhlanzi ikwazi ukutshuza kangcono emanzini. Izinhlanzi zinegazi elibandayo futhi zivele zivumelanise izinga lokushisa lomzimba wazo nezinga lokushisa lamanzi azungezile.
Yini ekhethekile ngenhlanzi?
Izinhlanzi zinomzimba omude, oyisicaba. Izinhlanzi zihamba ngamaphiko. I-caudal fin isetshenziselwa ukuqhubeza, i-pectoral ne-ventral fins ukuqondisa, kanye ne-dorsal ne-anal fins ukuze kuqiniswe umzimba. Ezinye izinhlanzi, isibonelo, i-trout ensundu, nazo zine-adipose fin.
Kungani izinhlanzi zingaphila ngaphansi kwamanzi?
Izinhlanzi nazo zidinga umoya-mpilo ukuze ziphile. Nokho, ngokungafani nathi, ziyakwazi ukuphefumula ngaphansi kwamanzi. Ukuze benze lokhu, abawukhiphi umoya-mpilo emoyeni njengoba senza, kodwa bawuhlunga emanzini. Ingakanani i-oxygen encibilika emanzini incike ngokuyinhloko ekushiseni kwamanzi?
Ingabe inhlanzi inawo amasende?
Esiswini zisakazwa kusukela phambili kuya emuva: inhliziyo, isibindi, inyongo, izinso phezulu, esinyeni sokubhukuda ngezansi, kanye nesisu kanye ne-gonads, okungukuthi ama-ovari noma amasende. Isici esikhethekile sezinhlanzi yisinye sokubhukuda.
Inhlanzi ingahleka?
Izinhlanzi zingahleka izithombe nemifanekiso | zezilwane, izilwane zasendle, nezithombe zezinhlanzi emphakathini wezithombe.
Iyini incazelo yePisces yezingane?
Izinhlanzi yizilwane ezihlala emanzini kuphela. Baphefumula ngama-gill futhi ngokuvamile banesikhumba esinama-scaly. Zitholakala emhlabeni wonke, emifuleni, emachibini, nasolwandle. Izinhlanzi ziyizilwane ezinomgogodla ngoba zinomgogodla, njengezilwane ezincelisayo, izinyoni, izilwane ezihuquzelayo kanye nezilwane ezihlala emanzini.
Ingabe izinhlanzi ziyashintsha?
Izibungu ezifana nenhlanzi eziphefumula ngamathumba zichanyuselwa emaqandeni avundisiwe. Zidlula ekuguquguqukeni kwazo ekukhuleni kwazo zibe izilwane eziphila emanzini nasemhlabeni eziphefumula amaphaphu.
Isebenza ngani inhlanzi?
Intuition nendlebe kokukodwa. Isitho esiyinhloko sezinzwa senhlanzi uhlelo lomugqa osemaceleni: umuzwa ozwela kakhulu wokuthinta ibanga elide izilwane ezikwazi ngawo ukuzwa ukudlidliza, imisinga, nemisindo emanzini - kanye nendawo eziphuma kuyo.
Yiziphi izici zonke izinhlanzi ezifana ngazo?
Zifana ngani zonke izinhlanzi?
emanzini. Zonke izinhlanzi kufanele ziphile emanzini.
amaphiko. Cishe zonke izinhlanzi zinamaphiko.
chitha. Izikali zezinhlanzi zihlelwe njengama-tile ophahleni, zikhonza ukuvikela isikhumba ekulimaleni.
gill.
ukubhukuda esinyeni.
Uyichaza kanjani inhlanzi?
Izinhlanzi. Izinhlanzi (AmaPisces, asuselwa kwelesiLatini elithi Piscis = inhlanzi) yizilwane ezinomgogodla zasemanzini ezinokuphefumula kwegill. Ikilasi lezinhlanzi alichazi ikilasi elizimele, njengoba kunjalo ngezilwane ezincelisayo, izinyoni, izilwane ezihlala emanzini nasemanzini, noma izilwane ezihuquzelayo, kodwa lifingqa iqoqo lezilwane ezifanayo ngokwendlela yokuphila.
Ingakwazi kanjani ukuphefumula inhlanzi ngaphansi kwamanzi?
Izinhlanzi aziwuthathi umoya-mpilo emoyeni njengoba senza thina bantu, kodwa ziwusefa emanzini. Esikhundleni samaphaphu, izinhlanzi zinezimbotshana ezitholakala nhlangothi zombili ngemuva kwekhanda. Izembozo zamagill yizicucu ezinyakazayo zesikhumba izinhlanzi ezingawavula futhi ziwavale.