Ribbed squid (Loligo forbesii) na cikin rukunin cephalopods, nau'in molluscs.
Yada squid na haƙarƙari.
Gilashin rijiyar Loligo forbesii an rarraba shi a ko'ina cikin yankunan Birtaniyya da Irish na Bahar Rum, Bahar Maliya, da kuma gabashin gabashin Afirka. Tana zaune a cikin Tekun Atlantika, akwai tsibirai da yawa a kusa, kuma kusan kusan duk wuraren buɗewa na gabar Tekun Atlantika ta Gabas. Yankin rarraba yana gudana daga 20 ° N. sh har zuwa 60 ° N (ban da Tekun Baltic), Azores. Ya ci gaba tare da gabar yamma na Afirka kudu zuwa Tsibirin Canary. Iyakar kudu ba ta bayyana ba. Hijira na yanayi ne kuma ya dace da lokacin kiwo.
Wurin zama na kifin mai rarrafe.
Gandun dajin kifin mai suna Loligo forbesii ana samunsa a cikin ruwa mai zurfin ruwa da yanayi, galibi kusa da yashi mai yashi da laka, amma kuma galibi galibi yana zaune a ƙasan tare da yashi mai tsafta. An samo shi a cikin ruwa tare da gishirin teku na yau da kullun, yawanci a yankunan bakin teku tare da dumi da ƙarancin sanyi, amma ba ruwa mai sanyi sosai ba, guje wa yanayin zafi ƙasa da 8.5 ° C. A cikin zurfin ruwa, ya bazu a yankuna masu zurfin zurfin zurfin kewayon daga mita 100 zuwa 400.
Alamomin waje na haƙarƙarin squid Loligo forbesii.
Squungiyar haƙarƙarin haƙarƙari tana da siriri, kamar torpedo, ingantaccen jiki tare da ɗamarar haƙarƙari wanda galibi yana da ɗan tauri da faɗi yayin da zurfin folds ɗin ke ƙaruwa da siririn membraneous (harsashi na ciki). Hakarkarin hakarkarin biyu suna da kusan kashi biyu cikin uku na jikin kuma suna yin fasalin lu'ulu'u wanda ake iya gani a gefen ƙofar.
Aljihun yana da tsayi, tsayinsa yakai kusan 90 cm cikin maza kuma 41 cm a mata.
Gangar ribbed yana da tanti takwas na yau da kullun tare da "sanduna". Manyan kofunan tsotsa kamar zobba suke da kaifi 7 ko 8, haƙoran hakora. Wannan nau'in squid din yana da ingantaccen kai mai manyan idanu wanda ke taimakawa wajen farautarsa. Launin squid ribbed na iya ɗaukar launuka da launuka daban-daban waɗanda ke canzawa koyaushe daga ruwan hoda zuwa ja ko launin ruwan kasa.
Sake haifuwa na haƙarƙarin squid Loligo forbesii.
A lokacin kiwo, gungun ɓaure a gindin teku a wasu wurare. Amma halayyar haifuwarsu ba ta takaita da wannan ba, maza na yin motsi daban-daban don jan hankalin mata su hadu. Kwayoyin jima'i a cikin rijiyoyin squids an ƙirƙira su a cikin gonads waɗanda ba a biya su ba waɗanda suke a ƙarshen ƙarshen jikinsu.
Gwararruwan ƙwararrun mata tare da ƙwai a buɗe cikin ramin alkyabar.
Namijin squid ya tattara maniyyi a cikin kwayar halitta kuma ya canza su tare da tanti na musamman wanda ake kira hectocotylus. Yayinda ake yin kwaro, namiji ya kan kama mace sannan ya sanya hectocotylus a cikin ramin rigar mata, inda yawanci hadi ke faruwa. A gaban ɓangaren spermatophore akwai wani abu na gelatinous, wanda ake fesawa akan hulɗar da matan gonads. Maniyyi ya shiga cikin kogon alkyabbar kuma ya ba da ƙwarin girma, ƙwai mai wadatar gwaiduwa. Tsarin ruwa yana faruwa kusan tsawon shekara a cikin Channel na Ingilishi, tare da ƙwanƙwasawar hunturu a watan Disamba da Janairu a yanayin zafi tsakanin 9 da 11 ° C kuma wani ɓacin rai yana faruwa a lokacin bazara.
Gelatinous caviar an haɗe a cikin babban taro zuwa daskararrun abubuwa akan laka ko yashi a cikin teku.
Mata suna sa ƙwai har zuwa 100,000 waɗanda aka ƙara a cikin teku a kan matattarar. A cikin ƙwai mai yalwa, haɓaka kai tsaye yana faruwa ba tare da kasancewar matakin larva na gaskiya ba. Ana kwan ƙwai cikin manya-manyan launuka marasa launi dare da rana. Kannen da suka kumbura suna yin kwangila tare da ci gaban amfrayo, bayan kimanin kwanaki talatin na ci gaban amfrayo, toya ya fito, wanda yayi kamannin ƙaramin gwanaye masu girma 5-7 mm tsawo. Matasan squids suna yin kamar plankton, suna iyo a tsaye a farkon lokacinsu kuma suna taɓarɓarewa da ruwa. Suna jagorantar wannan hanyar rayuwa har zuwa wani lokaci kafin su girma zuwa girma kuma su mallaki ginshiƙi a cikin yanayin ruwa, kamar manyan yawo. Suna girma cikin sauri a lokacin rani har zuwa 14-15 cm kuma sun isa balaga tsakanin Yuni da Oktoba. A watan Nuwamba, girman samarin squids ya zama 25 cm (mata) da 30 cm (maza).
Bayan shekara 1 - 1.5, bayan sun gama haihuwa, manyan mutane sun mutu, suna kammala tsarin rayuwarsu.
Ribbo squid Loligo forbesii yana rayuwa a cikin akwatin kifaye na ruwa na shekaru 1-2, mafi ƙarancin shekaru uku. A dabi'a, manya suna yawan mutuwa saboda dalilai na dabi'a: sau da yawa sukan zama ganima ga masu farauta, adadin squid yana raguwa sosai a lokacin da bayan ƙaura. Cin naman mutane tsakanin squid shima sanadiyyar raguwar yawan jama'a ne. Yawancin ƙwai da mata suka ɗora, har zuwa wani lokaci, yana biyan yawan mace-macen da ke tsakanin ɓarkewar squid.
Fasali na halayyar haƙarƙarin squid Loligo forbesii.
Ribbed squids suna motsawa cikin ruwa, suna daidaita buoyancyrsu ta hanyar musayar gas, da kuma motsawar jet, yin kwangilar rigar lokaci-lokaci. Suna rayuwa mai kaɗaici, wanda aka katse yayin lokacin kiwo. A wannan lokacin, cephalopods suna kafa manyan makarantu don ƙaura.
Ana tattara yawancin taro na squid a wuraren ƙauraran ƙaura.
Lokacin da aka motsa squid baya ta jet propulsion, launukan jikinsu da sauri yana canzawa zuwa launi mai haske sosai, kuma jakar launin launuka tana buɗewa zuwa cikin ramin alkyabba wanda ke fitar da babban gajimare mai duhu, yana mai da hankalin mai farautar. Wadannan halittu masu juzu'i, kamar sauran nau'o'in ajin, cephalopods, suna nuna ikon koyo.
Loligo forbesii ya sami cin abinci mai cin nama.
Ribbed squid, Loligo forbesii, yakan ci ƙananan ƙwayoyi, gami da ciyawa da sauran ƙananan kifi. Hakanan suna cin cristaceans, sauran cephalopods, da polychaetes. Daga cikinsu, cin naman mutane ya zama ruwan dare. Kusa da Azores, suna farautar mackerel dawakai mai launin shuɗi kuma suna wutsiya lepidon.
Tsarin halittu na haƙƙin squid squid.
Ribbed squids suna da mahimmanci a matsayin tushen abinci ga masu cin abincin teku, kuma cephalopods da kansu suna sarrafa yawan ƙananan ƙwayoyin halittar teku da masu juyawa.
Ma'anar Loligo forbesii ga mutane.
Ana amfani da squid squid a matsayin abinci. Ana kama su daga ƙananan jiragen ruwa masu amfani da jigs yayin rana a zurfin mita 80 zuwa 100. Su ma batun binciken kimiyya ne. Akwai amfani na yau da kullun na waɗannan squids don yin kayan ado ga jama'ar yankin: ana amfani da tsotsan zoben zoben don yin zobba. Hakanan ana amfani da naman kifin mai rarrafe azaman koto yayin kamun kifi. A wasu yankuna, haƙarƙarin kifin yana cutar da kamun kifi, kuma a wasu lokuta na shekara a cikin ruwan bakin ruwa suna farautar ƙananan kifi da ciyawa. Koyaya, squid abubuwa ne masu mahimmanci na tattalin arziki ga mutane.
Matsayin kiyayewa na haƙarƙarin squid Loligo forbesii.
Ana samun dusar kankara mai yawa a cikin mazauninsu; ba a gano barazanar wannan nau'in ba. Sabili da haka, squid ribbed ba shi da matsayi na musamman.
