Octopus Grimpe - bayanin hoto na mollusk

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Octopus Grimpe (Grimpoteuthis albatrossi) na cikin rukunin cephalopods, nau'in molluscs. An fara bayanin wannan mazaunin teku mai zurfin ciki a cikin 1906 ta mai binciken Jafananci Sasaki. Ya yi nazarin samfuran da yawa waɗanda aka kama a cikin tekun Bering da Okhotsk. Har ila yau kuma a gefen gabashin gabashin Japan yayin balaguro a jirgin ruwan "Albatross" kuma ya yi cikakken bayani game da wannan nau'in.

Yaduwar dorinar ruwa Grimpe.

Grimpe dorinar ruwa an rarraba shi sosai a arewacin Tekun Pacific. Wannan nau'in yana rayuwa a ko'ina, gami da Bering, Okhotsk Seas, da kuma ruwan Kudancin California. Kusa da Japan, yana faruwa a zurfin 486 zuwa 1679 m.

Alamomin waje na Grimpe dorinar ruwa.

Grimpe dorinar ruwa, sabanin sauran nau'ikan cephalopods, yana da gelatinous, mai kama da jelly, mai kama da kamannin buɗe laima ko kararrawa. Siffa da tsarin jikin dorinar ruwa Grimpe halaye ne na wakilan Opisthoteuthis. Girman suna da ƙananan ƙananan - daga 30 cm.

Launin kayan haɗin yana bambanta, kamar na sauran dorinar ruwa, amma yana iya sa fata ta zama mai haske kuma ta zama kusan ba a ganuwa.

Da zarar an hau kan ƙasa, Grimpe octopus yayi kama da jellyfish mai manyan idanu, kuma mafi ƙarancin suna kama da wakilin cephalopods.

A tsakiyar jiki, wannan dorinar ruwa tana da fuka-fukai masu tsayi irin na dogon ji. An ƙarfafa su da guringuntsi na sirdi, wanda ya kasance ragowar harsashi irin na zubi. Tentauren ɗakunan kansa suna haɗuwa da sirantar memba na bakin ciki - laima. Yana da mahimmin tsari wanda ke bawa Grimpe dorinar ruwa damar motsi a cikin ruwa.

Hanyar motsi a cikin ruwa tana da kamanceceniya da sakewar jellyfish daga ruwa. Stripararren eriya mai tsayi yana gudana tare da alfarwansu tare jere ɗaya na masu shayarwa. Matsayi na masu shayarwa a cikin maza suna kama da irin wannan tsari a cikin O. californiana; yana yiwuwa waɗannan nau'ikan jinsin biyu su zama daidai, don haka, ya zama dole a bayyana rabe-raben Opisthoteuthis da ke zaune a yankunan arewacin Tekun Fasifik.

Gidan mazaunin kwarin Gindi.

Ba a fahimci ilimin halittar halittar dorinar ruwa Grimpe ba. Kwayar cuta ce mai rikitarwa kuma tana faruwa a zurfin daga 136 zuwa matsakaicin mita 3,400, amma yafi yawaita a cikin matakan ƙasa.

Grimpe octopus abinci.

Grimpe octopus, wanda ke da gelatinous jiki, kamar kowane nau'in da ke da alaƙa, mai farauta ne kuma yana cin ganyayyaki akan dabbobin da ke cikin damuwa. Kusa da ƙasan, yana iyo don neman tsutsotsi, molluscs, crustaceans da molluscs, waɗanda sune babban abincinsa. Gorin octopus Grimpe yana gurnani don ƙananan ganima (kojupods) tare da taimakon eriya mai ɗan tsayi. Wannan nau'in dorinar ruwa yana hadiye abin da aka kama. Wannan fasalin halayyar ciyarwa ya banbanta shi da sauran dorinar ruwa masu iyo a saman ruwa.

Fasali na dorinar ruwa Grimpe.

Gorin dorinar ruwa an daidaita shi da zama cikin zurfin gaske, inda koyaushe akwai rashin haske.

Saboda yanayin wurin zama na musamman, wannan jinsin ya rasa ikon canza launin jiki dangane da yanayin wurin zama.

Kari akan haka, kwayoyin launukansa na zamani sunada matukar kyau. Launin jikin wannan cephalopod mollusk yawanci launin purple ne, violet, ruwan kasa ko cakulan a launi. Octopus Grimpe shima bashi da gabar "tawada" tare da ruwan rufe fuska. Lura da mahimmin aiki na dorinar ruwa na Grimpe a cikin zurfin yana da wahala, saboda haka ba a san cikakken bayani game da halayensa. Mai yiwuwa, a cikin ruwa, dorinar ruwa yana cikin yanayi na shawagi kyauta a kusa da tekun da taimakon "fins-appendages".

Kiwan dorinar ruwa Grimpe.

Grimpe octopuses ba shi da takamaiman ranakun kiwo. Mata suna haɗuwa da ƙwai a matakai daban-daban na ci gaba, don haka suna hayayyafa shekara-shekara, ba tare da takamaiman fifikon yanayi ba. Dorinar ruwa na namiji yana da kara girma a daya daga cikin tantunan. Wataƙila wannan kwayar halitta ce da aka gyara don watsa kwayar halitta a yayin saduwa da mace.

Girman ƙwai da haɓakar su ya danganta da yanayin zafin ruwan; a cikin ruwa mara zurfin, ruwan yana saurin yin sauri, don haka amfanonin za su ci gaba da sauri.

Nazarin haifuwa na wannan nau'in halittar dorinar ruwa ya nuna cewa a lokacin haihuwar, mace kan saki kwai daya ko biyu a lokaci guda, wadanda suke a can nesa. Qwai suna da girma kuma an rufe su da fata mai laushi, suna nutsuwa kai tsaye zuwa ga tekun; manyan dorinar ruwa ba sa kiyaye kama. Lokaci zuwa cigaban amfrayo an kiyasta zuwa tsakanin shekaru 1.4 zuwa 2.6. Oananan dorinar ruwa suna kama da manya kuma nan da nan suke samun abinci da kansu. Octopuses Grimpe ba sa haihuwa da sauri, ƙarancin yanayin rayuwa na cephalopods da ke rayuwa a cikin ruwa mai zurfin sanyi kuma abubuwan da ke tattare da tsarin rayuwa suna tasiri.

Barazana ga Grimpe dorinar ruwa.

Akwai wadatattun bayanai don tantance matsayin dorinar Grimpe. Ba a san kaɗan game da ilimin halitta da ilimin halittu, saboda wannan nau'in yana rayuwa a cikin ruwa mai zurfi kuma ana samun sa ne kawai a cikin kamun kifi mai zurfi. Ctananan dorinar ruwa na grimpe musamman masu saurin fuskantar matsalar kamun kifi, saboda haka ana buƙatar bayanai game da tasirin kamun kifi akan wannan nau'in. Akwai iyakantattun bayanai game da wuraren zama don Grimpe dorinar ruwa.

An ɗauka cewa dukkan membobin Opisthoteuthidae, gami da dorinar ruwa Grimpe, suna cikin ƙwayoyin halittar benthic.

Yawancin samfurin an tattara su ne daga kwandunan da ke ƙasa waɗanda suka kama dorinar ruwa daga ruwan da ke saman lalatattun ƙasan. Wannan nau'in cephalopod yana da fasali da yawa waɗanda ke bayyana a cikin ƙananan adadin mutane: gajeren rayuwa, jinkirin girma da ƙarancin haihuwa. Bugu da kari, dorinar Grimpe yana zaune a wuraren kamun kifi na kasuwanci kuma ba a bayyana yadda kamun kifin yake shafar yawan dorinar ruwa ba.

Waɗannan cephalopods a hankali suna isa ga balaga ta jima'i kuma suna ba da shawarar cewa masunta sun riga sun rage lambobin su sosai a wasu yankuna. Ctananan dorinar ruwa ƙananan dabbobi ne don haka suna wahala mafi yawa daga safarar ruwa mai zurfin kasuwanci. Kari akan haka, sifofinsu na rayuwa suna da alakar kut-da-kut da benthos, kuma sun fi sauran jinsunan dorinar ruwa damar shiga ragar-kashin kasa, saboda haka, sun fi fuskantar matsalar kutsawa cikin teku. Babu takamaiman matakan kiyayewa na Grimpe dorinar ruwa a cikin mazauninsu. Hakanan ana buƙatar ƙarin bincike a cikin tsarin haraji, rarrabawa, yalwa da yanayin yanayin yawan waɗannan abubuwan keɓaɓɓu.

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Kalli bidiyon: Octopus Intelligence Experiment Takes an Unexpected Turn (Disamba 2024).