Goblin shark

Goblin shark
Conservation status
LC (mul)  (IUCN 3.1)
Scientific classification
Kingdom	Animalia
Phylum	Chordata (mul)
Class	Chondrichthyes (mul)
Order	Lamniformes (mul)
Dangi	Mitsukurinidae (mul)
Genus	Mitsukurina (mul)
jinsi	Mitsukurina owstoni Jordan, 1898
Geographic distribution

Kifin goblin ( Mitsukurina owstoni ) wani nau'in kifin shark ne mai zurfi a cikin teku. Wani lokaci ana kiransa " burbushin halittu masu rai ", shine kaɗai wakilin dangin Mitsukurinidae, zuriyarsa mai shekaru miliyan 125. Wannan dabba mai launin ruwan hoda tana da siffar musamman tare da dogon hanci mai faɗi, da kuma muƙamuƙi masu fitowa sosai waɗanda ke ɗauke da haƙoran da suka yi kama da ƙusa. Yawanci tana kaiwa tsawon mita 3 zuwa 4 (ƙafa 10 zuwa 13) idan ta girma sosai, kodayake tana iya girma sosai - kamar samfurin da aka kama a shekara ta 2000, wanda aka yi imanin yana da tsawon mita 6 (ƙafa 20). Kifin shark na Goblin halittu ne masu kama da benthopelagic waɗanda ke zaune a saman gangaren nahiyar, kwaruruka na ƙarƙashin ruwa, da kuma tuddai a ko'ina cikin duniya a zurfin sama da 100 metres (330 ft), inda aka gano manya da zurfi fiye da yara ƙanana. Wasu masu bincike sun yi imanin cewa waɗannan sharks ɗin za su iya nutsewa zuwa zurfin har zuwa 1,300 metres (4,270 ft), na ɗan gajeren lokaci; hotunan da aka ɗauka a shekarar 2024 sun nuna cewa zangonsu na iya zama mafi zurfi fiye da yadda aka zata a baya, tare da tabbatar da ganin babban mutum yana iyo a 2,000 metres (6,560 ft) .

Siffofi daban-daban na kifin goblin, kamar jikinsa mai laushi da ƙananan fin-fin, suna nuna cewa yana da jinkiri a yanayi. Wannan nau'in yana farautar kifayen teleost, cephalopods, da crustaceans kusa da ƙasan teku da kuma tsakiyar ginshiƙin ruwa . Dogon hancinsa an rufe shi da ampullae na Lorenzini waɗanda ke jin ƙananan filayen lantarki da abincin da ke kusa ke samarwa, wanda zai iya kamawa ta hanyar faɗaɗa muƙamuƙinsa cikin sauri. Ƙananan adadin kifin goblin ana kama su ba da gangan ba ta hanyar kamun kifi na zurfin ruwa. Ƙungiyar Kare Yanayi ta Duniya (IUCN) ta kimanta shi a matsayin Mafi Damuwa, duk da ƙarancinsa, tana mai ambaton yaɗuwarsa da ƙarancin kamuwa da cuta.

Tsarin Haraji

Bambancin matsayin muƙamuƙi a cikin sharks na goblin da aka kiyaye ya sa aka kwatanta samfura da yawa a matsayin nau'ikan halittu daban-daban.

Masanin kimiyyar ichthy na Amurka David Starr Jordan ya bayyana kifin goblin a cikin fitowar mujallar Proceedings of the California Academy of Sciences ta shekarar 1898, inda ya gane kifin na musamman ba wai kawai a matsayin sabon nau'i ba, har ma da sabon nau'i da iyali. Ya dogara ne akan namijin da bai kai ba 107 centimetres (42 in) . an kama shi a Sagami Bay kusa da Yokohama, Japan. An samo samfurin ta hannun mai kula da jiragen ruwa kuma masanin halitta Alan Owston, wanda ya ba Farfesa Kakichi Mitsukuri a Jami'ar Tokyo, wanda shi ma ya kawo shi Jordan. Jordan ya sanya wa kifin Mitsukurina owstoni suna don girmama waɗannan mutane biyu.

Sunan da aka fi sani da "shark goblin" wani nau'in kifin shark ne na sunan gargajiya na Japan天狗鮫, tenguzame, <span about="#mwt30" data-cx="[{&quot;adapted&quot;:true,&quot;partial&quot;:false,&quot;targetExists&quot;:true,&quot;mandatoryTargetParams&quot;:[],&quot;optionalTargetParams&quot;:[]}]" data-mw="{&quot;parts&quot;:[{&quot;template&quot;:{&quot;target&quot;:{&quot;wt&quot;:&quot;Transl&quot;,&quot;href&quot;:&quot;./Samfuri:Transl&quot;},&quot;params&quot;:{&quot;1&quot;:{&quot;wt&quot;:&quot;ja&quot;},&quot;2&quot;:{&quot;wt&quot;:&quot;tengu&quot;}},&quot;i&quot;:0}}]}" data-ve-no-generated-contents="true" id="mwZA" title="Japanese-language romanization" typeof="mw:Transclusion"><i lang="ja-Latn">tengu</i></span> wani halitta ne na tatsuniyoyi na Japan wanda galibi ana nuna shi da dogon hanci da fuska ja. Wani suna na wannan nau'in shine shark elfin.

Ba da daɗewa ba bayan an buga bayanin Jordan, masana kimiyya da dama sun lura da kamanceceniya tsakanin Mitsukurina da kuma kifin shark na Mesozoic Scapanorhynchus da ya ɓace. Na ɗan lokaci, ra'ayin da aka fi sani shine a ɗauki Mitsukurina a matsayin ƙaramin ma'anar Scapanorhynchus . Daga ƙarshe, ƙarin cikakkun burbushin halittu sun bayyana bambance-bambancen jiki da yawa tsakanin Scapanorhynchus da Mitsukurina, wanda ya sa marubutan zamani suka sake ɗaukar su a matsayin nau'ikan halittu daban-daban. An bayyana samfuran kifin shark na goblin da yawa a matsayin nau'ikan halittu daban-daban daga 1904 zuwa 1937, babu ɗayan da aka ɗauka a matsayin masu inganci yanzu. Wannan rudanin rarrabuwa ya fara ne saboda muƙamuƙin samfuran an daidaita su a matakai daban-daban na fitowar yayin kiyayewa, yana ba da bayyanar bambance-bambancen daidaito tsakanin kawunan.