{"id":25359,"date":"2023-08-10T13:37:37","date_gmt":"2023-08-10T13:37:37","guid":{"rendered":"https:\/\/test.otpor.media\/index.php\/2023\/08\/10\/https-otpor-media-znanstvenici-otkrili-novu-vrstu-morskog-psa\/"},"modified":"2023-08-10T13:37:37","modified_gmt":"2023-08-10T13:37:37","slug":"https-otpor-media-znanstvenici-otkrili-novu-vrstu-morskog-psa","status":"publish","type":"post","link":"https:\/\/otpor.media\/?p=25359","title":{"rendered":"Znanstvenici otkrili novu vrstu morskog psa"},"content":{"rendered":"\n

Znanstvenici u Australiji otkrili su novu vrstu morskog psa s bizarnim kutnjacima nalik ljudskim koje koristi kako bi razbio plijen. Nova vrsta, nazvana naslikani morski pas (Heterodontus marshallae), dio je reda Heterodontiformes, koji su klasificirani po svom jedinstvenom obliku tijela i malim rogovima koji str\u0161e iznad njihovih o\u010diju. “Ovaj red morskih pasa nalikuje fosilima davno izumrlih morskih pasa zbog sli\u010dne morfologije, uklju\u010duju\u0107i bodlje. Ali sada znamo da nisu u bliskom srodstvu”, rekla je Helen O’Neill, biologinja za ribe u Australskoj nacionalnoj zbirci riba (ANFC), u priop\u0107enju australska vladina agencije CSIRO.<\/p>\n\n\n\n

Novoopisana vrsta nalazi se samo u vodama sjeverozapadne Australije, otprilike 125 do 229 metara ispod povr\u0161ine, prema studiji objavljenoj 12. srpnja u \u010dasopisu Diversity. Imaju nekoliko redova zuba i izuzetno veliku \u010deljust u odnosu na lubanju, \u0161to im omogu\u0107uje da grickaju stvorenja poput meku\u0161aca i rakova.<\/p>\n\n\n\n

“Zubi svih vrsta morskih pasa vrlo su sli\u010dni jedni drugima, ali morski psi kao skupina imaju vrlo razli\u010dite zube od ve\u0107ine drugih morskih pasa. Oni imaju zube za hvatanje blizu prednje strane i velike zube poput kutnjaka dok se kre\u0107ete unatrag uzdu\u017e \u010deljusti”, rekao je Will White, vi\u0161i kustos ANFC-a i koautor studije. “Ova je skupina evoluirala kako bi zgnje\u010dila te\u0161ki granatirani plijen koriste\u0107i svoje zube poput kutnjaka.”<\/p>\n\n\n\n

Sli\u010dni su drugoj vrsti<\/strong><\/p>\n\n\n\n

U studenom 2022. godine istra\u017eiva\u010di su istra\u017eivali stani\u0161ta morskog dna u Gascoyne Marine Parku u Zapadnoj Australiji kada su uhvatili odraslog mu\u017ejaka H. marshallae koji je bio duga\u010dak oko 53 centimetra mjereno od vrha nju\u0161ke do repne peraje. “U usporedbi s drugim australskim morskim psima, ova vrsta ima prepoznatljiv prugasti uzorak”, rekao je White. “Ovaj je uzorak vrlo sli\u010dan zebrastom morskom psu i prije se mislilo da je rije\u010d o istoj vrsti.”<\/p>\n\n\n\n

Me\u0111utim, zebrasti morski psi (H. zebra) nalaze se u pli\u0107im vodama i obi\u010dno \u017eive u blizini Indonezije ili Japana, dok H. marshallae preferira dublje oceane koji okru\u017euju obalu Australije. Prije ekspedicije 2022. istra\u017eiva\u010di su pregledali \u0161est primjeraka i ovitak jajeta onoga \u0161to \u0107e kasnije biti identificirano kao H. marshallae iz muzejskih zbirki diljem Australije, i bili su u procesu klasifikacije ove nove vrste kada su naletjeli na \u017eivog mu\u017ejaka.<\/p>\n\n\n\n

“Imamo \u017eenski primjerak u na\u0161oj kolekciji, ali onaj koji smo prikupili tijekom putovanja je mu\u017ejak”, rekao je O’Neill, koji je tako\u0111er bio koautor studije, u izjavi. “Radije koristimo mu\u017ejake za holotipovi morskih pasa jer imaju kop\u010de, koje su vanjski reproduktivni organi koji se mogu razlikovati od vrste do vrste i poma\u017eu nam da ih razlikujemo.”<\/p>\n\n\n\n

Klik.hr<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Znanstvenici u Australiji otkrili su novu vrstu morskog psa s bizarnim kutnjacima nalik ljudskim koje koristi kako bi razbio plijen. Nova vrsta, nazvana naslikani morski pas (Heterodontus marshallae), dio je reda Heterodontiformes, koji su klasificirani po svom jedinstvenom obliku tijela i malim rogovima koji str\u0161e iznad njihovih o\u010diju. “Ovaj red morskih pasa nalikuje fosilima davno […]<\/p>\n","protected":false},"author":1,"featured_media":25360,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[163],"tags":[],"class_list":["post-25359","post","type-post","status-publish","format-standard","has-post-thumbnail","category-revolucijska-znanost"],"yoast_head":"\nZnanstvenici otkrili novu vrstu morskog psa - OTPOR.Media<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/otpor.media\/?p=25359\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Znanstvenici otkrili novu vrstu morskog psa\" \/>\n<meta property=\"og:description\" content=\"Znanstvenici u Australiji otkrili su novu vrstu morskog psa s bizarnim kutnjacima nalik ljudskim koje koristi kako bi razbio plijen. Nova vrsta, nazvana naslikani morski pas (Heterodontus marshallae), dio je reda Heterodontiformes, koji su klasificirani po svom jedinstvenom obliku tijela i malim rogovima koji str\u0161e iznad njihovih o\u010diju. “Ovaj red morskih pasa nalikuje fosilima davno […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/otpor.media\/?p=25359\" \/>\n<meta property=\"og:site_name\" content=\"OTPOR.Media\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/otpor.media\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-10T13:37:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/otpor.media\/wp-content\/uploads\/2024\/07\/morski-pas-100823.jpg?fit=1280%2C987&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"987\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"otpormedia\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisao\/la\" \/>\n\t<meta name=\"twitter:data1\" content=\"otpormedia\" \/>\n\t<meta name=\"twitter:label2\" content=\"Procijenjeno vrijeme \u010ditanja\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/otpor.media\\\/?p=25359#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/otpor.media\\\/?p=25359\"},\"author\":{\"name\":\"otpormedia\",\"@id\":\"https:\\\/\\\/otpor.media\\\/#\\\/schema\\\/person\\\/a274232a44e6bceb3b5681f0fe2474ab\"},\"headline\":\"Znanstvenici otkrili novu vrstu morskog psa\",\"datePublished\":\"2023-08-10T13:37:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/otpor.media\\\/?p=25359\"},\"wordCount\":447,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/otpor.media\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/otpor.media\\\/?p=25359#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/otpor.media\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/morski-pas-100823.jpg\",\"articleSection\":[\"(R)EVOLUCIJSKA ZNANOST\"],\"inLanguage\":\"hr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/otpor.media\\\/?p=25359#respond\"]}],\"copyrightYear\":\"2023\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/otpor.media\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/otpor.media\\\/?p=25359\",\"url\":\"https:\\\/\\\/otpor.media\\\/?p=25359\",\"name\":\"Znanstvenici otkrili novu vrstu morskog psa - 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