Haskakken ɗan kifin na kasar Brazil (Isistius brasiliensis) ko sigarin shark na cikin ajin kifin ne na cartilaginous.
Yada kifin mai tsananin haske na ƙasar Brazil.
Haske shark ɗin ɗan ƙasar Brazil ya bazu cikin tekun arewacin Japan da kudu zuwa gaɓar Kudancin Ostiraliya. Kifi ne mai zurfin teku kuma galibi ana samun sa kusa da tsibirai a cikin yankuna masu zafi da zafi. Ana samun sa a cikin keɓaɓɓun yankuna kusa da Tasmania, Western Australia, New Zealand da kuma cikin Kudancin Pacific (gami da Fiji da Tsibirin Cook).
Kuma yana zaune a yammacin Tekun Atlantika: kusa da Bahamas da kudancin Brazil, a Gabas ta Tsakiya: a cikin ruwan Cape Verde, Guinea, kudancin Angola da Afirka ta Kudu, gami da Tsibirin Ascension. A yankin Indo-Pacific, ya fadada zuwa Mauritius, Lord Howe Island, arewa zuwa Japan da gabas zuwa Hawaii; a gabashin Pacific, ya zo kusa da tsibirin Easter da tsibirin Galapagos.
Wurin zama na walƙiyar sharan kifin Bahark.
Ana samun manyan kifin Sharks na ƙasar Brazil a cikin ruwan teku mai zafi a duniya. Sun fi kusa zama kusa da tsibirai, amma ana samunsu a kan manyan tekuna. Wannan nau'in yana yin ƙaura ta yau da kullun daga ƙasa da mita 1000, kuma da dare suna iyo kusa da farfajiya. Tsarin zurfin zurfin ya kai mita 3700. Sun fi son zurfin ruwa kusa da 35 ° - 40 ° N. w, 180 ° E
Alamomin waje na babban kifin Shark na Brazil.
Haskakken kifin Shark na ƙasar Brazil wakil ne na musamman na tsari na shark. Tana da tsayin jiki na tsawon 38 - 44. Jikin yana da siffa irin ta dunƙule, kwatankwacin babban sigari mai ɗan gajeren hancin hanci da bakin tsotsa-mai ban sha'awa. Finfin dubura ya ɓace. Launi mai launin toka-toka-ruwan toka-mai-toka-toka, tare da abin wuya mai duhu a maƙogwaron, cikin ciki ya fi sauƙi.
Mata sun fi maza girma kuma sun kai kusan inci 20. Akwai 81 - 89 vertebrae.
Abubuwan halayyar sharks na wannan nau'in sune babban, kusan kusan daidaitaccen tsarin caudal tare da dogon lobe mai kwakwalwa, wanda shine 2/3 na tsawon wutsiya da matsakaitan manyan ƙananan hakora, wanda yake cikin layuka 25-32. Caudal petal baƙar fata ne. Manyan hakoran kanana ne. Fuskokin farfajiyar murabba'i ne, firam ɗin ƙugu sun fi fin ƙarfin baya. Ana samun ƙananan ƙananan ƙusa biyu kusa da baya a bayan baya. Idanun suna kan gaban kai, amma sun yi nisa sosai, don haka hangen wannan nau'in kifin na shark bashi da babban filin hangen nesa.
Kiwo kifin mai kyan kifin na kasar Brazil.
Hasken kifin na Shark na ƙasar Brazil shine nau'in nau'in kwalliya. Takin ciki ne. Emfrayos suna ci gaba a cikin kwan, suna cin abinci a kan gwaiduwa kuma su kasance a cikin kwan har sai sun kasance cikakke. Ci gaban yana gudana daga watanni 12 zuwa 22. Mace tana haihuwar yara ƙanana sharks 6-12 ba tare da haihuwar gwaiduwa ba, ba a san girmansu a lokacin haihuwa ba. Matasan kifayen Sharks suna iya yin farauta da kansu.
Maza suna yin tsayi a jiki tsawon 36 - 42 cm, mata suna yin kiwo lokacin da girman jiki ya kai 39 cm - cm 56. Kodayake akwai ɗan bayani game da kiwo na manyan kifaye na Brazil kuma ba a lura da yadda ake yin waɗannan kifaye masu farauta ba, an yi imanin cewa ruwan tekun da ke kusa da tsibirin na iya samar da dacewa Wurin zama na matasa kifayen wannan nau'in.
Halin katon kifin 'yan kifin na Brazil.
Hasken kifin na Shark na ƙasar Brazil shine nau'in keɓaɓɓun halittun bathypelagic. Kifi yana haɗuwa kawai don ma'adinai.
Suna yin doguwar ƙaura a tsaye akan nisan mita 2000 - 3000 yayin zagayowar rana.
Hasken kifin Sharks na Brazil yana kusanto saman ruwa da daddare, lokacin da galibi aka kama su cikin ragar kamun kifi. Ko da daddare, kifin ya kasance ƙafa 300 ƙasan ruwan. Sau da yawa ana samun su a kusa da tsibirai, amma babu tabbacin ko sun haɗu saboda yawan haɗarurrukan ganima ko kuma don su yi aure. Hantar wannan nau'in kifin na kifin kifin na tara tarin mai mai yawa, kuma wannan fasalin yana basu damar yin iyo a cikin zurfin gaske. Kwarangwal din har yanzu yana da laushi, amma wani ɓangare yana da taurin zuciya, yana sauƙaƙa yin iyo a cikin zurfin ruwa. Hasken kifin Sharks na Brazil wani lokacin yakan kai hari kan jiragen ruwa na ruwa, suna mai musu da ganima.
Ciyar da kifin gwanin kifin na Brazil.
Haske sharks na ƙasar Brazil masu rayuwa ne masu zurfin zurfafa cikin teku. Suna farautar manyan kifayen kuliyoyi, kayan kwalliya, manyan kifaye masu kamala kamar mackerel, tuna, mashin, da sauran nau'ikan kifayen kifin da kuliyoyin (like, dolphins).
Kifin da ke farautar mutane yana manne wa kayan abincinsu ta hanyar tsotsan lebe na musamman da wani abu wanda aka gyara shi, sannan a dunkule cikin jikin wanda aka azabtar ta amfani da ƙananan haƙoran kaifi.
Wannan ya bar zurfin rami mai zurfin girman diamita biyu. Manyan hakoran sama suna aiki kamar ƙugiyoyi don riƙe ganima, yayin da ƙananan haƙoran ke aiki azaman abin toshewa zagaye. Hasken kifin Sharks na ƙasar Brazil shine kifaye masu ƙyalli wanda ke iya fitar da wani koren haske wanda ke fitowa daga ciki. Mafarauta suna amfani da wannan hasken don jan hankalin waɗanda abin ya shafa. Yankin da ke haskakawa ba kawai ƙananan kifi ba ne, har ma da abincin da ya fi girma, wanda ke zuwa kusa da kifayen neman abinci. Bayan da wani ɗan kifin na ƙasar Shark mai ɗanɗano ya cije shi, alamun alamomin zagaye na shark ɗin sun kasance, waɗanda aka lura da su har ma da ƙwanƙolin jirgin ruwa na ƙarƙashin ruwa. Wannan nau'in kifin na shark yana fitar da haske na awanni uku bayan mutuwarsa. Kifin farauta ba shi da haɗari ga mutane saboda ƙarancin girman su da kasancewarsu cikin mazaunin teku mai zurfin gaske.
Ma'ana ga mutum.
Hasken kifin 'yan kifin' yan kifin na Brazil yana da tasiri mara kyau a kan kamun kifi yayin da suke farautar kifin kasuwanci kuma galibi suna lalata jikinsu ta hanyar barin alamun halaye. Ana ganin kai hare-hare a kan jiragen ruwa a matsayin wuce gona da iri. Saboda ƙananan girmansa da mazauninsu a cikin teku, wannan nau'in bashi da darajar kasuwanci ga masunta kuma baya haifar da haɗari ga masu iyo.
Matsayi na kiyaye kifin mai tsananin kifin kifin na Brazil.
Haskakken kifin Sharks na ƙasar Brazil suna rayuwa a cikin zurfin teku, wanda ya sa wannan nau'in ya zama wani abu mai wahalar shiga don kamun kifi na musamman. Koyaya, ana kamun kifi bazata cikin raga sau da daddare lokacin da suke motsi a tsaye don neman ganima. A nan gaba, manyan kifaye na Brazil suna fuskantar barazanar raguwa mai yawa yayin da kamun kifin teku ya tashi. An rarraba wannan nau'in azaman Leananan Damuwa.
