Jafananci dusar kankara (Idiosepius paradoxus) na cikin rukunin cephalopod, wani nau'in molluscs.
Rarraba dwarf squid na Japan.
An rarraba dwarf squid na Japan a yammacin Tekun Pacific, a cikin ruwan Japan, Koriya ta Kudu da Arewacin Australia. Ana samun sa a kusa da Indonesia da kuma a Tekun Pacific daga Afirka ta Kudu zuwa Japan da Kudancin Ostiraliya.
Gidan mazaunin Japan squir squid.
Jafananci pygmy squid wani nau'in birni ne wanda aka samo shi a cikin ruwa mai zurfin ruwa.
Alamomin waje na dusar kankara Jafananci.
Jafananci dwarf squid shine ɗayan ƙaramin squid, tare da mayafinsa yana girma har zuwa 16 mm. Mafi ƙarancin nau'in cephalopods. Jirgin dwarf na Jafananci ya banbanta launi da girma, tare da mata masu tsayi daga 4.2 mm zuwa 18.8 mm. Nauyin ya kusan 50 - 796 MG. Maza sun fi ƙanƙanta, girman jikinsu ya bambanta daga 4.2 mm zuwa 13.8, kuma nauyin jikin ya bambanta daga 10 MG zuwa 280 MG. Waɗannan haruffa suna canzawa tare da yanayi, yayin da ake kiyaye cephalopods na wannan nau'in ƙarni biyu a kowace shekara.
Kiwon Japan dwarf squid.
A lokacin kiwo, Jafananci dwarf squid ya nuna alamun zawarci, wanda ke bayyana a canjin launi, motsin jiki, ko kusancin juna. Maza suna saduwa da bazuwar abokan aiki, wani lokaci suna aiki cikin sauri har sukan kuskure wasu mazan game da mata kuma su canza kwayoyin halittar jikinsu ga jikin namiji. Dabino yana faruwa yayin lokacin kwan kwai. Takin ciki ne. Ofayan daga cikin tantin squid yana da sashin jiki na musamman a ƙarshen, yana isa ramin jikin mace kuma yana canza ƙwayoyin ƙwayoyin cuta. A cikin watan, mace na yin kwai 30-80 kowane kwana 2-7, wadanda aka adana na wani lokaci a al’aurarta.
Tsarin jinkiri yana farawa daga ƙarshen Fabrairu zuwa tsakiyar Mayu kuma daga Yuni zuwa ƙarshen Satumba.
A cikin yanayinsu na halitta, ana kwan ƙwai a cikin madaidaicin taro a ƙasan magwajin. Jafananci dutsin dusar kankara ba su da matakin tsutsa, suna ci gaba kai tsaye. Matasa matasa nan da nan suna da haƙori mai haƙori - wannan alamar tana bayyana a cikinsu a farkon matakan, idan aka kwatanta da sauran cephalopods, inda takunkumin sarƙoƙi ke haɓaka a cikin nau'ikan larva. Jafananci dans-squids na rayuwa na kwanaki 150.
Wataƙila gajeren rayuwar yana da alaƙa da ƙarancin yanayin zafi na ruwa wanda kwayar halitta ke haɓaka. Ana lura da ƙananan ci gaban cikin ruwan sanyi. Maza sun fi mata saurin girma a lokutan sanyi da dumi. Jirgin dusar kankara na Japan ya ba da ƙarni biyu tare da girman mutane daban-daban. A lokacin dumi, sun balaga da sauri da sauri; a lokacin sanyi, suna girma yayin hunturu, amma sun kai shekarun haihuwa. Waɗannan fan wasan dusar ƙanƙara sun zama cikin balaga a cikin watanni 1.5-2.
Halin Japan dwarf squid.
Jirgin dusar kankara na Japan yana zaune kusa da gabar teku kuma yana ɓoye a cikin algae ko matattarar shuke-shuke na teku. Ana manne su zuwa goyan baya tare da manna kwayoyin da ke makale a bayanta. Dwarf squid na iya canza launi, fasali da yanayin jiki. Ana iya amfani da waɗannan canje-canjen don sadarwa da juna kuma a matsayin ɓuya lokacin da ya zama dole don guje wa masu farauta. A cikin yanayin ruwa, ana jagorantar su tare da taimakon gabobin hangen nesa. Babban ƙamshin ƙamshi yana taimakawa rayuwar benthic a cikin algae.
Cin dusar kankara ta kasar Japan.
Jirgin dusar kankara na Jafananci yana ciyar da kayan kwalliyar dangin gammarida, shrimps, da mysids. Kai hari kifi, yayin da dwarf squid yawanci yakan ci tsokoki kawai kuma ya bar ƙasusuwa cikakke, a matsayin mai mulkin, dukkanin kwarangwal. Babban kifi ba zai iya shanyewa kwata-kwata ba, saboda haka yana wadatar da kawai ɓangaren abincin.
Hanyar farauta ta ƙunshi matakai biyu: na farko - maharin, wanda ya haɗa da sa ido, jira da ƙwace wanda aka azabtar, da kuma na biyun - cin abincin da aka kama.
Lokacin da kifin Japan ya ga abin farautarsa, sai ya yi ƙoƙari a gare shi, ya zubar da tanti zuwa ƙwanƙolin ƙullin crustacean.
Kusanci da kai harin nesa da kasa da cm 1. Jafananci dwarf squid yana kai hare hare da sauri kuma yana kama ganima tare da tanti a mahadar murfin chitinous da ɓangaren farko na ciki, yana tura ɗayan tantijan gaba.
Wani lokacin Japan squgmy squid kai hari ganima ninki biyu girmanta. Dodann squid ya gurguntar jatan lande a cikin minti ɗaya ta amfani da abu mai guba. Yana riƙe ganima a dai-dai matsayin, in ba haka ba wanda aka azabtar ba zai shanye ba, don haka squid dole ne ya aiwatar da kama daidai. Idan akwai masu ɓawon burodi da yawa, to yawancin squid na Japan na iya farauta a lokaci guda. Yawanci, maharin na farko ya fi cin abinci. Bayan kame ganima, dwarf squid na Jafananci ya sake iyo cikin algae don nutsuwa ya lalata abincin.
Bayan kama ɓawon burodin, yana saka jazzakansa masu rauni a ciki kuma yana jujjuya su a kowane bangare.
A lokaci guda, squid ya haɗiye sassa masu laushi na crustacean kuma ya bar exoskeleton gaba ɗaya fanko da duka. Cikakken murfin ɗan kuli-kuli yana kama da kamar ɓawon burodi ne kawai aka zubar. Exoskeleton na mysid galibi ana wofintar dashi cikin mintina 15, yayin da babban abincin ba a cinsa gaba ɗaya, kuma bayan cin abincin, chitin ya kasance akan ragowar naman da ke haɗe da exoskeleton.
Jirgin kifin na Jafananci yana narkar da abinci a waje. Narkar da abinci na waje ana samun saukinsa ta hanyar wani bakin baki, wanda da farko zai nika naman crustacean, sannan squid ya shanye abincin, yana taimakawa narkewar ta hanyar aikin enzyme. Wannan enzyme an yanka shi kuma yana baka damar cin abinci mai narkewa na rabi.
Rawar yanayin halittar Japan squidmy squid.
Jafananci dutsin dusar kankara a cikin halittun halittu na tekuna da tekuna suna daga cikin jerin kayan abinci, suna cin dunkulen burodi da kifi, su kuma, manyan kifaye, tsuntsaye, dabbobi masu shayarwa da sauran kayan abinci suna cin su.
Ma'ana ga mutum.
Jafananci dwarf squid an girbe shi don dalilan kimiyya. Waɗannan cephalopods batutuwa ne masu kyau don binciken gwaji saboda suna da ɗan gajeren rayuwa, a sauƙaƙe suna rayuwa a cikin akwatin kifaye, kuma suna yin asali a cikin fursuna. Jafananci dwarf squids a halin yanzu ana amfani dashi don nazarin haifuwa da abubuwan da ke tattare da tsarin juyayi; abubuwa ne masu mahimmanci don nazarin matsalolin tsufa da watsa halayen gado.
Matsayin kiyayewa na squidmy na Japan.
Dwarf squid na Jafananci suna nan da yawa a cikin teku da tekuna, suna rayuwa kuma suna hayayyafa a cikin akwatin ruwa na gishiri. Saboda haka, ba a tantance IUCN ba kuma ba shi da wani rukuni na musamman.
