Associationsungiyoyi na farko tare da kalmar "shark" iri ɗaya ne ga yawancin mutane. Waɗannan manyan, dodannin haƙori ne masu ƙusoshi uku-uku, suna huɗa ruwan gishirin tekuna da tekuna. Kullum suna yawo cikin neman ganima don yage ta da bakin bakinsu.
Shin duk sharks daidai yake da haɗari ga mutane? Ya zama cewa daga cikin babban dangin kifayen kifayen akwai wadanda ke da nutsuwa har ma da abokantaka ga mutane. Haɗu da memba na baleen shark - m shark... Iyalan gidan guda uku ne kawai: m shark, m m shark kuma gajere.
Nanny shark habitat
Kuna iya saduwa da yawan kifayen kifin da ke kusa da gabar Amurka a cikin Tekun Atlantika, ko kuma kusa da gabashin gabashin Tekun Fasifik. Achedananan kifayen sharks suna rayuwa a Tekun Bahar Maliya da Yankin Caribbean, har ma da bakin tekun Afirka ta Yamma.
Ana daukar kifayen jinyan dabbobi masu lankwasa, galibi ba sa yin iyo kusa da gabar 60-70 kuma ba sa nutsewa zuwa zurfin sama da mita 6. Suna taruwa cikin garken tumaki, wanda kusan mutum 40 ne. Whisker Nurse Shark masu cin abincin dare ne.
Da rana, suna nutsewa a cikin ruwan bakin teku, suna cusa ƙafafunsu cikin gindin. Ba bakon abu bane a shaida wani abin birgewa - dangin kifin sharks masu jinya an shimfida su a kan juna a layuka, kuma suna yin kwalliya a cikin raƙuman ruwa masu taushi, waɗanda ƙarancin waɗannan dabbobin masu larurar fatar ke tsayawa daga sama kaɗan suka wankesu.
Da rana, suna son ɓoyewa a cikin dutsen murjani, a raƙuman duwatsun bakin teku, ko ɓoyewa a cikin labyrinth na dutse. Sharks a hankali sun zaɓi keɓantaccen wuri don kansu kuma sun dawo gare shi kowace rana bayan farautar dare.
Alamomin wata 'yar goyo
Matsakaicin girman manya yana zuwa daga mita 2.5 zuwa mita 3.5. Mafi girman rikodin kifin shark yana da tsawon jiki na mita 4.3. A waje, wannan kifin kifin yana da lahani kuma yana kama da babban kifin kifi. Wannan kwatancen ana ba ta eriya wacce take a ƙasan mami, daidai bakin.
Suna yin aikin taɓawa, suna taimakawa neman abinci a cikin teku. Dubunnan haƙora masu kaifi, masu kusurwa uku-uku suna latsa muƙamuƙin shark. Don maye gurbin duk ɓataccen haƙoran da suka karye, nan da nan mayewa yayi girma. Idanun kifin na shark suna da kyau zagaye kuma suna kan gefen kai.
Nan da nan a bayan su squid ne, sifa ce ta halayyar ƙananan kifayen shark wanda ke taimakawa numfashi. Af, fasali mai ban mamaki na kifin sharks shine ikon numfasawa a cikin yanayin rashin motsi, ba tare da buɗe bakinsu ba.
Jikin nas shark yana da madaidaiciyar sifar madaidaiciya tare da shugaban da aka fi ƙarfinsa. Finarshen fin ya fi na baya ƙanƙanta; ƙananan lobe na ƙarancin caudal gaba ɗaya an yarda da su. Kunnawa hoton nas shark ingantattun fuka fukai suna bayyane a bayyane. Wannan yana bawa mai farauta damar tsayawa ƙasa sosai yayin hutun rana.
Me yasa ake kiran kifin nask?
Sunan da kansa ba ribar karya bane m sharks. Me yasa ake kiran sa haka irin wannan mahautan? Dalilin kuwa yana kan hanyar cin abinci ne. Nars sharks ba sa fitar da yanki daga naman abin da suka kama, amma suna manne da shi tare da haƙoran bakinsu, wanda a wannan lokacin ke ƙara girma cikin sauri. A lokaci guda, mai farautar yana yin sauti mara dadi wanda yake kama da sautin sumba, ko kuma karar da wata yarinya ke yi wa jariri.
Bugu da kari, sunan "kulawa" na mai kula da kifin na shark ya cancanci kuma ba na al'ada ba, ga yawancin kifayen kifin, halayyar 'ya'yansu. Ainihin, masu yunwar yunwa basa damuwa da cin riba koda daga childrena childrenan su, amma kawai ba haka bane m sharks... Me yasa basu yarda da irin wannan abincin ba, babu wani bayani na kimiyya.
Akasin haka, masanan baleen suna kiyaye zuriyarsu a hankali, suna taimaka musu zuwa girma. Akwai wani nau'in asalin irin wannan kyakkyawar suna don kifin shark. A gabar tekun Caribbean, ana kiran waɗannan dabbobin kifin-kifin, wanda a cikin yaren yankin ana kiran sa da "nuss", wanda daga baya ya rikide zuwa Ingilishi "m" - mai jinya ko mai goyo.
Nars shark salon da abinci mai gina jiki
An rarrabe manyan kifayen jinya ta hanyar zama, salon rayuwa. Phlegmatic, dabbobi marasa hanzari na iya daskarewa a wuri ɗaya tsawon awanni. Masana kimiyya sun ba da shawarar cewa balelen kifayen, kamar sauran membobin da yawa na dangin shark, ba sa yin barci gabaki ɗaya.
Hemasashen waje ɗaya ne kawai yake hutawa koyaushe, sannan ɗayan. Irin wannan damar ta ban mamaki tana baka damar kasancewa cikin nutsuwa koyaushe. Nars sharks ne masu farautar dare. Kuma idan kun huta a lokacin rana, kuma suka shiga cikin ruwa na bakin teku, waɗannan dabbobin suna son cikin fakiti, to sun fi son farauta su kaɗai.
Abincin da aka fi so na kifin kifin na baleen sune kwasfa, dorinar ruwa, squids, molluscs, urchins na teku, yawo, kifin kifi da sauran mutanen da ke zaune a cikin ruwan gishiri. Don raba bawo na kariya daga wasu nau'ikan dabbobin da ke cikin farauta, mai kula da kifin da ke sanye take da hakora, haƙoran haƙoranta.
Tare da taimakonsu, tana sauƙaƙe murƙushe sassan jikin wanda aka azabtar. Girman bakin ba ya ba da damar m shark ya haɗiye babban abin farauta, amma pharynx ya ci gaba sosai. Wannan yana magance matsalar - nas shark kawai ya tsotsa abincinta, yana barin ƙarshe babu damar tserewa.
Nars shark rayuwa da kiwo
Idan abubuwan waje suna da matukar kyau kuma shark din nas bai fada cikin ragar kamun kifi ba, to matsakaicin rai zai fara daga shekaru 25-30. Polar jinsunan ana daukar su a cikin shekaru ɗari a tsakanin manyan kifayen. Sharks na sararin samaniya na iya rayuwa har zuwa shekaru 100. Wannan yana da alaƙa, ba shakka, tare da yanayin zafin yanayi, kuma, sakamakon haka, ya rage tafiyar matakai na rayuwa.
Therarin thermophilic shark ɗin shine, gajeren lokacin da aka ba shi. Lokacin kiwo don baleen nas nas sharks yana tsakiyar bazara, daga tsakiyar Yuni zuwa tsakiyar Yuli. Riƙe mace da ƙafafunsa da haƙoransa, namiji yana ƙoƙari ya juya abin kauna a bayansa ko gefensa, wanda galibi yakan ƙare a cikin fincin da ya lalace. Maza da yawa zasu iya shiga cikin hawan mace daya. Nars sharks ne masu kulawa da kifayen.
Kwai da farko ya fara girma a cikin mace, sannan shark ya kyankyashe, amma ya ci gaba da rayuwa a cikin jikin kifin. Gabaɗaya, ya share watanni 6 a cikin jikin mahaifiyarsa, sannan kuma an haife shi cikin ruwan da ke da dumi. Ciki mai zuwa na iya faruwa ne kawai bayan shekara ɗaya da rabi. Wannan shine tsawon lokacin da jikin kifin kifin kifin kifin yake murmurewa kuma yake shirin sabon ciki.
