Wadannan shark-shark da aljanu masu zurfi suna iya tsorata duk wani abu

Sharks na iya zama abin tsoro. Amma yayin da yawancin mu suna jin tsoron sharks (kamar babban farin), 'yan san abin da zasu iya ɓoye cikin zurfin ruwa. A can, a cikin zurfin mita dubu 3, rayayyun dodanni na teku - kullun-shark-aljannu, kare kifaye mai zurfi, da shark-fatalwa. Da ƙananan hakora da idanu marasa kyau, suna kama da haruffan Tim Burton. Amma, watakila, mafi munin gaskiyar ita ce, mun san kadan game da su.

Kyakkyawan shekara ga masu bincike

Don yada haske akan wadannan halittu masu ban mamaki, a cikin watan Satumban shekara ta wannan shekara, an gudanar da bincike a kan iyakar yammacin Scotland. Manufarta ita ce tattara samfurori don aikin don gano halin, ciyarwa da kuma motsi na mai zurfin teku.

Yawan aikin ya kai makonni biyu, kuma ya zama abin wuya. Masu bincike sun tattara samfurori a zurfin mita 500 zuwa mita 2000. Yawancin masana kimiyya sunyi aiki a wannan yankin na dogon lokaci. Abin farin gare su, yana da kyau shekara. Kowace rana masanan kimiyya sun samu karba daga samfurin hudu zuwa biyar, kowannensu yana da nasarorinsa.

Yawancinmu ba su taba ganin sharks mai zurfi ba. Amma duk da cewa suna ɓoye a ƙarƙashin ginshiƙan ruwa, wanda ya haifar da duhu mai duhu ga ido na mutum, suna wakiltar ƙungiyar sharks daban-daban. Idan ka dubi su, yana da mahimmanci dalilin da yasa yawancin wadannan kifayen nan sun sami sunaye masu banƙyama.

Rashin ikon zurfin teku ya ƙayyade fahimtar kimiyya game da waɗannan halittun. Wadannan asiri ba kawai ƙarfafa ilimin halitta ba.

Ƙayyadewa

Ana iya raba sharks mai zurfi a cikin kungiyoyi uku: katranoobraznye, karhirinoyobraznye da chimera-like. Na farko sun hada da karnuka-kifi (kaya), zuwa sharks na biyu - cat sharks, kuma na uku - shark-fatalwowi. Yayinda katrana da shark shark suke hakikanin sharks, fatalwowi suna cikin rukuni na masarauta. Wadannan kifayen cartilaginous suna da alaƙa da sharks.

Species Features

Iyali mafi yawan jama'a a cikin ruwayen Scotland shine shark na cat. Masu bincike sun gano wani daga cikin jinsuna - dabbar cat-shark (Apristurus). Wadannan halittu suna da kwayoyin jikinsu da kawunansu masu girma da kuma ƙananan idanu, saboda abin da wannan jinsin ya samu sunansa. Sun kasance da wuya a ƙayyade, kuma a lokacin balaguro, masana kimiyya sun fuskanci jinsin da ba'a bayyana ba a baya. Masana kimiyya ba su da fahimtar yawancin jinsi da zasu iya zama a cikin wannan rukuni, ba don ambaton ilmin halitta da ilmin halayyar su ba. An yi imanin cewa suna ci shrimps, amma har yanzu ba a sani ba.

Katran, a matsayin mai mulkin, adiyo, fata su kama da sandpaper. Suna da manyan idanu, da kuma cikin layuka na hakora na hakora. A cikin kogin Scotland, masana kimiyya suka gano nau'in nau'o'in kifaye iri-iri - daga mashigin Etmopteridae 30-centimeter, zuwa shark-rabi da rabi-mita daya. Abincin su yana da yawa. Suna cin abinci irin na kwakwalwan da suke fadawa kasa, da ƙananan kifaye, da shrimp.

Gyaran gaske: yanayin yanki na cikin haɗari

Wadannan halittu masu ban sha'awa suna samar da mafi yawan mazaunan mazauna zurfin ruwa. Akwai kusan rabin rabin sharks da masana kimiyya suka sani. Bugu da ƙari, fatalwow da shark-demon, kamar yadda masanan kimiyya suka samo matashin sofa 2.5-mita.

Kuma ko da yake bayyanar mafi yawan kifaye na iya tsoratar da wasu mutane masu ban sha'awa, labarin mummunar rayuwa ta ainihin wadannan halittu hakika ke haifar da aikin mutum. Rikicin ruwa mai zurfi, hakar ma'adanai da tsabtace muhalli ya zama mummunan barazana ga halittu masu zurfin teku. Bisa ga yawan ci gaban raguwa na waɗannan sharks, tsawon lokaci da rashin haihuwa, yana da shakka cewa wadannan nau'in zasu tsira a irin wannan halin.

Amma ba tare da sanin ilimin halayen su da halayyar su ba, yana da matukar wuya a tantance halin da irin wadannan ayyukan mutum ke shafar su. Watakila waɗannan ba dabbobi ne mafi kyau a duniyarmu ba, amma suna taka muhimmiyar rawa a cikin yanayin halittu - sun hada da carbon dioxide kuma suna da tasiri mai mahimmanci a cikin abincin abinci.

Abin baƙin cikin shine, ba tare da matakan kiyaye su ba, waɗannan fatalwowi na aljannu da aljanu ba zasu iya zama komai ba face jarumi na labarun da labari.