Fasali da mazaunin katran
Shark-katran ko mafi yawan suna - talakawa spiny shark katran, kazalika da kare teku ana samunsa a cikin teku da yawa.
Kodayake ya kamata a lura cewa tana da wani irin fifiko wajen zabar wuraren zama. Kasancewa ba wakilin thermophilic na jinsin shark ba, katran shark yana jin daɗi a cikin ruwan teku mai sanyi, sabili da haka, yana son tekun dumi ƙasa.
Gaskiya ne, a cikin Black teku katranu Ina son rayuwa, watakila saboda ruwan da ke wurin yana da dabbobin ruwa da na flora na musamman. Ba a cikin dokokinta ya yi nisa da bakin teku ba, ta fi son ruwan bakin teku. A cikin ruwa mara zurfi, wannan "kifin" baya yawan yin iyo, yana son rayuwa mai zurfin daga mita 100 zuwa 200 a cikin masarautar rabin duhu.
Kallo hoto na katran shark, to, za ku iya ganin cewa wani abu ne kamar na talaka mai wakiltar tsuntsayen sturgeon, amma, ana ba da nau'in farautar ta sigar mai sigari, da bakin shark da kuma kallon mara daɗi da baƙar wofinta, idanu masu kama da gilashi.
Abinda ke tattare da wannan wakilin na jinsin shark shine rashin murfin gill, rashin fin na dubura, da ƙoshin ƙaya waɗanda suke a gefen ƙarshen fin. Irin wannan karbuwa wani nau'i ne na kariya.
Wutsiyar shark tana kama da oar. Koyaya, alamun da za'a iya gani a zahiri suna cikin duk ƙabilun wannan tsari na sharks. Yawancin lokaci sharks na wannan nau'in ba sa girma fiye da mita 1.5, kuma nauyinsu da wuya ya kai kilogiram 12-15, kodayake yana iya yin sa'a sannan kuma zai yiwu a haɗu da wani babban mutum - mita 2 tare da nauyin kilo 20.
Yanayin katran ya cire palon launuka sabili da haka launinsa ba shi da haske sosai, launin launin toka da aka saba, wani lokacin yakan fitar da inuwa mai shuɗi ko ƙarfe. Za a iya gane wuraren haske a baya da gefuna.
Kamar kowane kifin sharks, haƙoran katran, waɗanda sun zama marasa amfani, ana sauya su ne lokaci-lokaci tare da sabbin haƙoran kaifi. Masana sun kirga cewa tsawon rayuwar kifin shark, akwai hakora har zuwa 1,000 a bakin wannan mai farautar.Za a iya yi wa hassada irin wannan - don kar a ci wannan kifin a abincin rana, ba ya jin tsoron cewa dole ne ya sanya hakoran hakora don nika abinci mai kauri.
Kwarangwal din wannan wakilin na sharks yana da dadi. Wannan yana taimaka wa katran don jujjuya jikinsa da matsawa da sauri. Kyakkyawan saurin kifi yakamata yayi godiya ga ƙafafunsa. Kari akan haka, firam din suna hidimtawa don kiyaye kifin a tsaye ko a kwance. Amma wutsiya tana da nata aikin - don samar da tuƙi.
Hali da salon rayuwa
Gabobin - layin gefe - yana taka rawa ta musamman wajen daidaitawa a cikin ruwan teku mara iyaka. Godiya ga wannan gaɓaɓɓiyar sashin jiki, kifin yana iya jin wani, ko da ƙaramin girgizar ruwa.
Yakamata Auls ya ce godiya ga ƙanshin rami - buɗewar hanci da ke tafiya kai tsaye zuwa maƙogwaro. Shark din na iya kamawa daga nesa mai kyau wani abu na musamman wanda wanda aka azabtar ya ɓoye lokacin da ya firgita.
Bayyanar shark yayi magana don kansa. ya bayyana a kallon farko cewa wannan kifin hannu ne, mai iya haɓaka saurin gudu da bin farauta har sai ya kai ga abincin.
Tabbas mutane da yawa suna da sha'awar tambaya: "Shin ɗan damfara mai haɗari haɗari ne ga mutane?" A nan dole ne nan da nan ku kawar da dukkan shakku kuma ku ba da amsa maras tabbas cewa katran ba ya kaiwa mutum hari.
Ta wannan fuskar, karen kifin ba shi da haɗari fiye da larura ko ɓarna, wanda, kamar katran, yana da ƙaya mai tsini a bayansa. Don haka katran kifin da ke rayuwa a cikin Bahar Maliya, da kuma a cikin kowane kwarin teku, ba ya da haɗari ga mutane.
Tabbas, idan kuna ƙoƙarin bugun jini tare da hannayen da ba a kiyaye su ba bakin teku shark-katran, to, alama ta tsada tana da yawa. Haka kuma, wurin allurar na iya zama mai kumbura. Kodayake tabbas akwai 'yan iska da yawa da za su taɓa shark da hannayensu.
Hakanan ba a ba da shawarar a bincika ko haƙoran shark ɗin suna da kaifi ko a'a - yin rauni abu ne mai sauƙi. Kuma a zahiri, bai kamata ku bugi karen teku "a kan hatsi ba", saboda, da farko, ba zai so shi ba, kuma, abu na biyu, ma'aunin kifin ƙarami ne, amma mai kaifi sosai.
Gaskiya mai ban sha'awa: Ana amfani da busasshiyar fatar wannan kifin kifin na shark, wanda yayi kama da emery, don aikin katako - saman itacen yana da yashi kuma an goge shi.
Idan muka yi la’akari da katrana daga mahangar haɗari ga mazaunan tekun, to ya kamata a lura cewa mazaunan bakin teku sun daɗe suna lura da cewa yawan kifayen dolphin yana raguwa ƙasa da kowace shekara, kuma cancanta a cikin wannan, gami da wannan wakilin na jinsin shark.
Kodayake wannan bayanin yana da wuyar gaskatawa, saboda kifin shark ya kusan girman dabbar dolphin kuma saboda haka Katran ba zai farautar irin wannan farautar ita kaɗai ba, sai dai watakila a cikin garken. Mutum ya dade da lura da hakan katrana babban hanta, wanda ya ƙunshi kifi mai amfani sosai mai.
Don bayani: Vitamin A a cikin hanta shark ya ninka sau 10 fiye da na hanta na cod. Kari akan haka, naman yana da taushi mai ban mamaki kuma, bayan sarrafawa a hankali, na iya zama abinci mai daɗi na gourmets akan tebur.
Katran shark abinci mai gina jiki
Irin wannan kifin na kifin kifin yana son cin abinci a kan ƙananan nau'in kifin - anchovy, herring. Kodayake ya fi son babban kifi don abincin rana, misali, mackerel doki ko mackerel. Kuma molluscs na teku, squid da crustaceans yawanci ana aiki da suran shark don cin abincin dare.
Abu mai mahimmanci duk da cewa, babban abincin wannan nau'in na shark shine kifin makaranta, wanda kuma ake kira pelagic - rayuwa a cikin ginshiƙin ruwa. Masunta suna amfani da wannan abin lura a cikin kamun kifin - sun san cewa hanya mafi sauƙi ta kama katran ita ce inda akwai ƙuƙumman ganyayyaki ko ɓarke.
Sake haifuwa da tsawon rai
Spink shark wakili ne na nau'in ovaviviparous shark. Mace tana ɗauke da ƙwai a cikin kwantena na musamman wanda ke cikin oviduct kusan shekara biyu. An haifi 'yan kifaye a cikin lambobi daga 15 zuwa 20 kuma ba su fi girman kwata na mita ba.
'Ya'yan Shark suna girma da sauri, kuma zuriya da aka haifa daga katran ana daidaita su kai tsaye don gudanar da rayuwar lalata, wanda ba shi da bambanci da tsarin rayuwar iyaye.
Da shekara 12, sharks na samari sun balaga ta hanyar jima'i, wanda ke nufin zasu iya haifuwa. Abu ne mai ban sha'awa cewa katranci ya bambanta ta hanyar auren mace daya, ma'ana, suna da aboki na gari a rayuwa, wanda tare da shi wannan kifin yake haɓaka dangantakar iyali. Tsammani na rayuwa ta mizanin kifi yana da tsayi - kwata na ƙarni ko fiye, don haka ana iya kiran wannan nau'in kifin na kifin kifin shark mai dogon hanta.
