Daga mahangar dabbobin, kaguwa da kifin kifin iri iri ne. Wadannan dabbobin suna da nau'ikan nau'ikan ma'anar su da matsayinsu. Kuma daga cikinsu akwai ƙattai, wanda shine Kamchatka kaguwa, wanda, duk da sunan, yana cikin manyan kadoji.
Kamchatka kaguwa bayyanar
Bayyan kaguwa na sarki yayi kamanceceniya da sauran kaguwa, amma har yanzu dabbar na kaguwa ne kuma an bambanta ta da ƙafafu biyar.
Yana daya daga cikin manyan membobin jinsinsa, na dangin Lithodidae. Girman babban mutum Kamchatka kaguwa namiji ya kai 25 cm cikin faɗin cephalothorax da 150 cm a cikin tsayin ƙafafu, tare da nauyin kilogram 7.5. Mata sun fi ƙanana, suna yin kimanin kilogram 4.3.
Jikin kaguwa ya ƙunshi cephalothorax, wanda ke ƙarƙashin kwasfa ɗaya, da ciki. Ciki, ko ciki, lankwasa yake ƙarƙashin kirji. Caraungiyar carapace a cikin yankin zuciya da ciki sanye take da kayoyi masu kaifi, waɗanda daga cikinsu akwai 6 sama da zuciya 11 kuma sama da ciki.
A cikin hoto Kamchatka kaguwa
Don haka, yana kiyaye jiki mai laushi na ciwon daji, kuma a lokaci guda tallafi ne ga tsokoki, tunda dabbar ba ta da kwarangwal. Akwai gills a gefen kwasfa.
Gaban carapace yana da fitowar girma wanda ke kare idanu. Dukkanin sarkar jijiyar tana kan gefen gefen gangar jikin. Ciki yana saman jiki kuma zuciya tana baya.
Kamchatka kaguwa yana da nau'i-nau'i biyar gabbai, Hudu daga cikinsu suna tafiya, kuma ana amfani da na biyar don tsaftace gill. King kaguwa claws kowannensu yana da nasa manufar - da dama, yana fasa bawo mai ƙarfi kuma yana murƙushe bushiya, yayin da hagu yake yanke abinci mai laushi.
Ana iya bambanta mace ta hanyar zagaye na ciki, wanda kusan kusan triangular yake a cikin namiji. Launin jiki da ƙafafun kaguwa ja-kasa-kasa a sama kuma mai rawaya a ƙasa. Spotsananan launi a tarnaƙi. Wasu mutane suna da launi mai haske, bayyanar Kamchatka kaguwa za a iya kiyasta ta hoto.
Kamchatka mazaunin kaguwa
Wannan babbar dabba tana rayuwa a cikin teku da yawa. Babban yankin yana cikin yankin Gabas mai nisa da kuma arewacin yankuna na tekuna suna wanke shi. Wannan shine yadda kaguwa take zaune a Tekun Japan, Tekun Okhotsk, da kuma Bering Sea. Nau'in kiwo a Bristol Bay. Yankin ya fi karkata kusa da Shantar da Kuril Islands, Sakhalin kuma galibi duk a Kamchatka.
An shigar da kaguwa ta Kamchatka a cikin Tekun Barents. Doguwar tsari ce mai rikitarwa, wanda bisa ka'ida aka fara a cikin 1932. Kawai a cikin 1960, a karo na farko, ya yiwu a yi jigilar manya daga Gabas mai nisa.
A tsakanin shekarun 1961 zuwa 1969, an shigo da yawancin kaguyoyin, galibi ta jirgin sama. Kuma a cikin 1974, an kama kaguwa na farko a cikin Tekun Barents. Tun shekara ta 1977, suka fara kama waɗannan dabbobin daga gabar Norway.
A halin yanzu, yawan jama'a ya karu sosai, kaguwa ta bazu a gabar Norway zuwa kudu maso yamma, da kuma arewa zuwa Svalbard. A shekarar 2006, an kiyasta yawan kaguwa a cikin Tekun Barents mutum miliyan 100. Kaguwa tana rayuwa a zurfin mita 5 zuwa 250, a kan yashi mai laushi ko ƙasa mai laka.
Kamchatka salon kaguwa
Kaguwa ta Kamchatka tana jagorancin rayuwa mai cike da motsa jiki, kullum tana yin ƙaura. Amma hanyar sa koyaushe ana gina ta hanya ɗaya. Gudun tafiya ya zuwa 1.8 km / h. Kadoji suna tafiya gaba ko gefe. Ba su san yadda za su binne kansu a cikin ƙasa ba.
Hoton kaguwa ne mai kama da Kamalarka
A lokutan sanyi, kaguwa yana zurfafa zuwa ƙasan, ƙasa zuwa mita 200-270. Da zuwan zafin rana, sai ya tashi zuwa dumi na sama na ruwa. Mata da yara suna rayuwa a cikin ruwa mara ƙanƙani, yayin da maza suka ɗan matsa kaɗan, inda akwai abinci da yawa.
Sau ɗaya a shekara, wani balagagge Kamchatka kaguwa molts, zubar da tsohon harsashi. A lokacin da tsohuwar murfin ta haɗu, sabo, mai laushi, harsashi ya riga ya girma a ƙarƙashin sa. Tsarin narkewar yana daukar kimanin kwanaki uku, a yayin da kaguwa ba ya son nuna kansa kuma ya buya a cikin ramuka da kogon dutse. Mata "tsirara" maza suna kiyaye su.
Molting a cikin "jima'i mai ƙarfi" yana faruwa daga baya, kusa da Mayu, lokacin da zafin ruwan ya kai 2-7 C⁰. Baya ga murfin chitinous na dabba, membranan waje na zuciya, ciki, esophagus da tendons suma suna canzawa. Don haka, dabbar kusan ana sabunta ta kowace shekara kuma tana samun sabon taro.
Animalsananan dabbobi sukan narke - har sau 12 a cikin shekarar farko ta rayuwa, sau 6-7 a shekara ta biyu, sannan sau biyu kawai. Bayan sun kai shekaru tara, kaguwa sun zama manya da zubi sau ɗaya kawai a shekara, yayin da tsoffin mutane masu shekaru 13 sau ɗaya kawai a cikin shekaru biyu.
Kamchatka kaguwa mai gina jiki
Kaguwa ta Kamchatka tana ciyar da mazaunan ƙasan: urchins na teku, mollusks iri-iri, tsutsotsi, kifin kifi, ƙaramin kifi, plankton, harbe, ɓawon burodi. Kaguwa ta Kamchatka kusan mai cin gashin kanta ne.
Individualsananan yara (ƙarancin shekaru) suna ciyar da hydroids. Tare da taimakon farcen dama, kaguwa yana cire nama mai laushi daga bawo da wuya, kuma tare da hagu ya ci abinci.
Nau'in kasuwanci na kadoji
Tekun Gabas ta Tsakiya gida ne ga nau'ikan kifayen da ke akwai don kamawa. A waɗancan sassan zaka iya sayi kaguwa na Kamchatka ko menene.
Kaguwar dusar ƙanƙara ta Byrd ƙaramin nau'in ne, wani lokacin yana iya yin abokai ya ba da matattara tare da kaguwa mai ƙwanƙwasa. Wadannan nau'ikan sunkai kimanin kilo 1. kuma suna da caracaps masu girman kimanin cm 15. Jan kaguwa mai dusar ƙanƙara yana zaune a Tekun Japan. Wannan karamar dabba ce wacce matsakaita yakai 10-15 cm An sanya masa suna ne saboda launinsa mai launi ja mai haske.
Farashi a kan Kamchatka kaguwa bambanta, zaka iya sayan kaguwa duka, mai rai ko mai sanyi. Akwai damar sayan phalanxes na sarki kaguwa, pincers - a cikin kwasfa ba tare da, nama da abinci daban-daban daga ciki. Kudin a wuraren kamawa ya yi ƙasa da ƙasa fiye da la'akari da isarwa zuwa yankuna. Farashin kaguwa mai rai kusan 10,000 rubles.
Naman kaguwa Kamchatka mai matukar mahimmanci ga duka kwayoyin saboda kasancewar bitamin da ƙananan abubuwa a ciki. Yana da kyau ga hangen nesa, karfafa tsarin jijiyoyin zuciya da inganta lafiyar jiki gaba daya.
Sake haifuwa da tsawon rayuwar sarki kaguwa
Yayin hijirar bazara, mata suna ɗaukar ƙwai tare da amfrayo a ƙafafunsu na ciki, kuma a cikin ƙwarjinsu suna da sabon kaso na ƙwai da ba su hadu ba. A kan hanyar zuwa ruwa mara zurfi, tsutsa ta fito daga ƙwai na waje.
Bugu da ari, mata da maza suna haɗuwa, molt yana faruwa. Namiji yana taimaka wa mace don kawar da tsohuwar kwalliyar, kuma idan hakan ta faru, sai ya ɗora kaset ɗin ƙwayar spermatophore a ƙafafunta na tafiya, bayan haka sai ya zurfafa don ciyarwa.
Mace tana ba da ƙwai da ruwa don kunna spermatophores. Yawan kwai ya kai dubu 300. Wai ɗin suna haɗe da ƙafafun ciki na mata, wanda take motsawa koyaushe da su, suna wanke ƙwai da ruwa mai daɗi. A lokacin dumi, ƙwai suna haɓaka, amma don hunturu suna daskarewa kuma girma ya sake kunnawa kawai a lokacin bazara, lokacin ƙaura da dumamar ruwa.
A cikin hoton, ƙusoshin kaguwa na sarki
Larwarorin da aka kyankyashe sun banbanta da ƙirar ƙira - su rayayyun halittu ne masu dogon ciki, ba tare da ƙafafu ba. Kimanin watanni biyu, larvae na ɗaukar halin yanzu tare da tekuna, a wannan lokacin suna gudanar da zubar sau huɗu.
Daga nan sai su nitse zuwa gindin, su narke a karo na biyar, kuma har ma sai sun sami ƙafafu, carapace da cikin su ya zama gajarta sosai. Bayan wasu kwanaki 20, tsutsa ta sake narkewa kuma wannan yana ci gaba duk lokacin rani da damina.
Dabbobi suna girma da sauri, tare da kowane narkakkiyar dabi'a da iyayenta. A cikin shekaru 5-7 na farko, kadoji suna zama wuri ɗaya sannan kawai za a fara yin ƙaura. A shekara ta takwas ta rayuwa, kaguwa mace ta balaga, a shekara 10, maza a shirye suke don haihuwa. Kaguwa na Kamchatka yana rayuwa na dogon lokaci - kimanin shekaru 15-20.
