{"id":3544,"date":"2018-03-14T16:39:44","date_gmt":"2018-03-14T19:39:44","guid":{"rendered":"http:\/\/biologo.com.br\/bio\/?p=3544"},"modified":"2021-07-17T18:15:54","modified_gmt":"2021-07-17T21:15:54","slug":"mamiferos-marinhos","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/mamiferos-marinhos\/","title":{"rendered":"Mam\u00edferos marinhos"},"content":{"rendered":"<p><span style=\"font-size: 14pt; color: #000000;\"><span style=\"color: #3366ff;\"><strong>Mam\u00edferos marinhos:\u00a0<\/strong><\/span>Um\u00a0mam\u00edfero\u00a0marinho\u00a0ou\u00a0aqu\u00e1tico\u00a0\u00e9 aquele que habita primariamente o\u00a0oceano\u00a0ou depende dele para alimentar-se.\u00a0<\/span><\/p>\n<p><span style=\"color: #000000; font-size: 14pt;\">Muitos desses animais encontram-se amea\u00e7ados por diversas raz\u00f5es, entre elas a polui\u00e7\u00e3o dos oceanos e a pesca comercial.<\/span><\/p>\n<p><span style=\"font-size: 24pt; font-family: 'courier new', courier, monospace; color: #000000;\"><strong>Mam\u00edferos marinhos<\/strong><\/span><\/p>\n<figure id=\"attachment_1734\" aria-describedby=\"caption-attachment-1734\" style=\"width: 300px\" class=\"wp-caption alignright\"><a style=\"color: #000000;\" href=\"http:\/\/biologo.com.br\/bio\/documentario-orcas\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1734\" data-permalink=\"https:\/\/biologo.com.br\/bio\/documentario-orcas\/orcas\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/11\/orcas.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"orcas\" data-image-description=\"&lt;p&gt;As orcas utilizam na sua alimenta\u00e7\u00e3o uma grande diversidade de presas diferentes. Popula\u00e7\u00f5es espec\u00edficas t\u00eam tend\u00eancia a especializar-se em presas espec\u00edficas, mesmo com o preju\u00edzo de ignorarem outras presas em potencial. Por exemplo, algumas popula\u00e7\u00f5es do mar da Noruega e da Groenl\u00e2ndia s\u00e3o especializadas no arenque, seguindo as rotas migrat\u00f3rias deste peixe at\u00e9 \u00e0 costa norueguesa, em cada outono. Outras popula\u00e7\u00f5es preferem ca\u00e7ar focas.&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Document\u00e1rio Orcas&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/11\/orcas.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-1734 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/11\/orcas-300x167.jpg?resize=300%2C167\" alt=\"Document\u00e1rio Orcas\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/11\/orcas.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/11\/orcas.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-1734\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"http:\/\/biologo.com.br\/bio\/documentario-orcas\/\">Document\u00e1rio Orcas<\/a><\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">Esse sofisticado grupo inclui animais como focas, baleias, peixes-boi, lontras marinhas e at\u00e9 ursos polares.\u00a0<\/span><\/p>\n<h4><strong><span style=\"font-size: 10pt; color: #000000;\">Adapta\u00e7\u00f5es<\/span><\/strong><\/h4>\n<p><span style=\"color: #000000;\">A adapta\u00e7\u00e3o dos mam\u00edferos marinhos ao ambiente aqu\u00e1tico varia consideravelmente entre as esp\u00e9cies.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"http:\/\/biologo.com.br\/bio\/mamiferos\/\">Mam\u00edferos<\/a><\/span><\/li>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"http:\/\/biologo.com.br\/bio\/oceanos\/\">Oceanos<\/a><\/span><\/li>\n<\/ul>\n<figure id=\"attachment_3711\" aria-describedby=\"caption-attachment-3711\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/03\/peixe-boi-marinho.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"3711\" data-permalink=\"https:\/\/biologo.com.br\/bio\/mamiferos-marinhos\/peixe-boi-marinho\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/03\/peixe-boi-marinho.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"peixe-boi-marinho\" data-image-description=\"&lt;p&gt;O peixe-boi-marinho (Trichechus manatus), tamb\u00e9m conhecido como manati, manatim-das-cara\u00edbas, manatim, mana\u00ed e vaca-marinha, \u00e9 uma esp\u00e9cie de peixe-boi da fam\u00edlia dos triquec\u00eddeos que pode ser encontrada do litoral dos Estados Unidos at\u00e9 o Nordeste do Brasil&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;O peixe-boi-marinho (Trichechus manatus), da fam\u00edlia dos triquec\u00eddeos. Encontrado do litoral dos Estados Unidos at\u00e9 o Nordeste do Brasil&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/03\/peixe-boi-marinho.jpg?fit=631%2C351&amp;ssl=1\" class=\"size-medium wp-image-3711\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/03\/peixe-boi-marinho-300x167.jpg?resize=300%2C167\" alt=\" peixe-boi-marinho\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/03\/peixe-boi-marinho.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2018\/03\/peixe-boi-marinho.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-3711\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; color: #000000;\">O peixe-boi-marinho (<em>Trichechus manatus<\/em>)<\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">Animais como os le\u00f5es marinhos s\u00e3o semiaqu\u00e1ticos, ou seja, passam a maior parte do tempo na \u00e1gua, mas precisam retornar \u00e0 terra para atividades importantes, como acasalamento e reprodu\u00e7\u00e3o.<\/span><\/p>\n<p><span style=\"color: #000000;\">Em contraste, as lontras e os ursos polares s\u00e3o muito menos adaptados \u00e0 vida aqu\u00e1tica. A sua dieta varia consideravelmente tamb\u00e9m; alguns podem comer zoopl\u00e2ncton, outros podem comer peixe, lulas, marisco, grama marinha e alguns podem comer outros mam\u00edferos.<\/span><\/p>\n<p><span style=\"color: #000000;\">Embora o n\u00famero de mam\u00edferos marinhos seja pequeno em compara\u00e7\u00e3o com os encontrados em terra, seus pap\u00e9is em v\u00e1rios ecossistemas s\u00e3o amplos, especialmente no que diz respeito \u00e0 manuten\u00e7\u00e3o de ecossistemas marinhos, atrav\u00e9s de processos que incluem a regula\u00e7\u00e3o das popula\u00e7\u00f5es de presas.<\/span><\/p>\n<blockquote><p><span style=\"color: #ffffff; font-size: 14pt;\">Este importante papel na manuten\u00e7\u00e3o dos ecossistemas \u00e9 particularmente preocupante pois <strong>23% das esp\u00e9cies de mam\u00edferos marinhos est\u00e3o atualmente amea\u00e7adas<\/strong>.<\/span><\/p><\/blockquote>\n<figure id=\"attachment_695\" aria-describedby=\"caption-attachment-695\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"http:\/\/biologo.com.br\/bio\/documentarios-de-biologia-marinha\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"695\" data-permalink=\"https:\/\/biologo.com.br\/bio\/biologia-marinha\/biologia-marinha-campo\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/05\/biologia-marinha-campo.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"biologia-marinha-campo\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Bi\u00f3logos marinhos atuando no mar. by Ramos Keith&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/05\/biologia-marinha-campo.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-695 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/05\/biologia-marinha-campo-300x167.jpg?resize=300%2C167\" alt=\"\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/05\/biologia-marinha-campo.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/05\/biologia-marinha-campo.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-695\" class=\"wp-caption-text\"><span style=\"font-size: 8pt;\"><a href=\"http:\/\/biologo.com.br\/bio\/documentarios-de-biologia-marinha\/\"><span style=\"font-size: 10pt;\">Document\u00e1rios de Biologia Marinha<\/span><\/a>.<span style=\"color: #000000;\"> <span style=\"font-size: 10pt;\">Bi\u00f3logos atuando no mar<\/span> by Ramos Keith<\/span><\/span><\/figcaption><\/figure>\n<h3><span style=\"font-family: 'courier new', courier, monospace;\"><strong><span style=\"font-size: 12pt; color: #000000;\">Extin\u00e7\u00e3o e amea\u00e7as aos mam\u00edferos marinhos<\/span><\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">Muitos animais marinhos foram alvo da ind\u00fastria comercial, levando a um decl\u00ednio acentuado em todas as popula\u00e7\u00f5es de esp\u00e9cies exploradas, como baleias e focas.<\/span><\/p>\n<p><span style=\"color: #000000;\">A ca\u00e7a comercial levou \u00e0 extin\u00e7\u00e3o esp\u00e9cies como o <a style=\"color: #000000;\" href=\"https:\/\/pt.wikipedia.org\/wiki\/Hydrodamalis_gigas\" target=\"_blank\" rel=\"noopener\">dugongo-de-steller\u00a0(ou vaca-marinha-de-steller)<\/a> e <a style=\"color: #000000;\" href=\"https:\/\/pt.wikipedia.org\/wiki\/Foca-monge-das-cara\u00edbas\" target=\"_blank\" rel=\"noopener\">A foca-monge-do-caribe<\/a>\u00a0(<em>Monachus tropicalis<\/em>). Depois que a ca\u00e7a comercial terminou, esp\u00e9cies como a baleia cinzenta e o elefante do norte, se recuperaram em n\u00fameros; Por outro lado, outras esp\u00e9cies, como a baleia-direita do Atl\u00e2ntico Norte, est\u00e3o criticamente amea\u00e7adas de extin\u00e7\u00e3o.<\/span><\/p>\n<p><span style=\"color: #000000;\">Al\u00e9m da ca\u00e7a, os mam\u00edferos marinhos podem ser mortos como capturas acess\u00f3rias das pescarias, onde ficam presos em redes fixas e se afogam ou morrem de fome. O aumento do tr\u00e1fego oce\u00e2nico causa colis\u00f5es entre embarca\u00e7\u00f5es oce\u00e2nicas e grandes mam\u00edferos marinhos. <\/span><\/p>\n<figure id=\"attachment_741\" aria-describedby=\"caption-attachment-741\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"http:\/\/biologo.com.br\/bio\/o-encanto-do-azul-profundo\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"741\" data-permalink=\"https:\/\/biologo.com.br\/bio\/o-encanto-do-azul-profundo\/o-encanto-do-azul-profundo-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/05\/O-Encanto-do-Azul-Profundo.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"O-Encanto-do-Azul-Profundo\" data-image-description=\"&lt;p&gt;O Encanto do Azul Profundo&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;O Encanto do Azul Profundo&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/05\/O-Encanto-do-Azul-Profundo.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-741 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/05\/O-Encanto-do-Azul-Profundo-300x167.jpg?resize=300%2C167\" alt=\"O Encanto do Azul Profundo\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/05\/O-Encanto-do-Azul-Profundo.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/05\/O-Encanto-do-Azul-Profundo.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-741\" class=\"wp-caption-text\"><span style=\"font-size: 10pt;\"><a href=\"http:\/\/biologo.com.br\/bio\/o-encanto-do-azul-profundo\/\">O Encanto do Azul Profundo<\/a><\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000;\">A degrada\u00e7\u00e3o do habitat tamb\u00e9m amea\u00e7a sua capacidade de encontrar e pegar alimentos. A polui\u00e7\u00e3o por ru\u00eddo, por exemplo, pode estressar os mam\u00edferos marinhos, e os efeitos cont\u00ednuos do <a href=\"http:\/\/biologo.com.br\/bio\/icebergs-e-aquecimento-global\/\">aquecimento global<\/a> degradam os ambientes \u00e1rticos.<\/span><\/p>\n<h5><span style=\"font-size: 12pt;\"><strong>Ongs e prote\u00e7\u00e3o<\/strong><\/span><\/h5>\n<p><span style=\"color: #000000;\">V\u00e1rias organiza\u00e7\u00f5es n\u00e3o-governamentais participam de ativismo de conserva\u00e7\u00e3o marinha, onde chamam aten\u00e7\u00e3o e ajudam em v\u00e1rios problemas de conserva\u00e7\u00e3o marinha, como polui\u00e7\u00e3o, ca\u00e7a, captura e assim por diante. <\/span><\/p>\n<p><span style=\"color: #000000;\">As organiza\u00e7\u00f5es not\u00e1veis incluem o <span style=\"text-decoration: underline;\"><a style=\"color: #000000; text-decoration: underline;\" href=\"http:\/\/www.greenpeace.org\/brasil\/pt\/\" target=\"_blank\" rel=\"noopener\">Greenpeace<\/a> <\/span>que se concentra na pesca e na ca\u00e7a \u00e0 baleia entre outras coisas, e a\u00a0<span style=\"text-decoration: underline;\"><a style=\"color: #000000; text-decoration: underline;\" href=\"http:\/\/seashepherd.org.br\" target=\"_blank\" rel=\"noopener\">Sea Shepherd Conservation Society<\/a><\/span>, conhecidos por t\u00e1ticas de a\u00e7\u00e3o direta para expor atividades ilegais.<\/span><\/p>\n<figure id=\"attachment_1171\" aria-describedby=\"caption-attachment-1171\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"http:\/\/biologo.com.br\/bio\/especies-ameacadas\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1171\" data-permalink=\"https:\/\/biologo.com.br\/bio\/especies-ameacadas\/urso-polar\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/08\/urso-polar.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"urso-polar\" data-image-description=\"&lt;p&gt;Urso polar em situa\u00e7\u00e3o dram\u00e1tica, nadando em mar aberto.&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Urso polar em situa\u00e7\u00e3o dram\u00e1tica, nadando em mar aberto.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/08\/urso-polar.jpg?fit=631%2C351&amp;ssl=1\" class=\"wp-image-1171 size-medium\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/08\/urso-polar-300x167.jpg?resize=300%2C167\" alt=\"Animais amea\u00e7ados. Urso polar\" width=\"300\" height=\"167\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/08\/urso-polar.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/08\/urso-polar.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-1171\" class=\"wp-caption-text\"><span style=\"font-size: 10pt; color: #000000;\"><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">leia:<\/span><a style=\"color: #0000ff;\" href=\"http:\/\/biologo.com.br\/bio\/especies-ameacadas\/\"> Esp\u00e9cies amea\u00e7adas<\/a><\/span>. Urso polar em situa\u00e7\u00e3o dram\u00e1tica, nadando em mar aberto.<\/span><\/figcaption><\/figure>\n<h5><span style=\"color: #000000; font-size: 12pt; font-family: 'courier new', courier, monospace;\">Os seis grupos de mam\u00edferos marinhos:<\/span><\/h5>\n<ul>\n<li><span style=\"color: #000000;\">Ordem\u00a0<strong>Sirenia<\/strong>:\u00a0peixe-boi,\u00a0dugongo.<\/span><\/li>\n<li><span style=\"color: #000000;\">Ordem\u00a0<strong>Carnivora,\u00a0fam\u00edlia\u00a0Ursidae<\/strong>:\u00a0urso-polar.<\/span><\/li>\n<li><span style=\"color: #000000;\">Ordem\u00a0<strong>Carnivora, superfam\u00edlia\u00a0Pinnipedia:\u00a0pin\u00edpedes<\/strong>,\u00a0le\u00e3o-marinho,\u00a0foca\u00a0e\u00a0morsa<\/span><\/li>\n<li><span style=\"color: #000000;\">Ordem\u00a0<strong>Carnivora, fam\u00edlia\u00a0Mustelidae<\/strong>:\u00a0lontra-marinha\u00a0e\u00a0lontra-felina<\/span><\/li>\n<li><span style=\"color: #000000;\">Ordem\u00a0<strong>Cetacea<\/strong>:\u00a0baleia,\u00a0golfinho\u00a0e\u00a0marsu\u00edno<\/span><\/li>\n<li><span style=\"color: #000000;\">Ordem <strong>Desmostylia<\/strong> (extinta)<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">Duas diferen\u00e7as entre os mam\u00edferos marinhos e outros seres marinhos:<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">Mam\u00edferos marinhos respiram ar, enquanto a maioria dos outros animais marinhos extraem o oxig\u00eanio da \u00e1gua.<\/span><\/li>\n<li><span style=\"color: #000000;\">A maioria dos mam\u00edferos marinhos d\u00e3o \u00e0 luz um filhote por vez, e n\u00e3o s\u00e3o capazes de parir g\u00eameos ou ninhadas maiores.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Mam\u00edferos marinhos:\u00a0Um\u00a0mam\u00edfero\u00a0marinho\u00a0ou\u00a0aqu\u00e1tico\u00a0\u00e9 aquele que habita primariamente o\u00a0oceano\u00a0ou depende dele para alimentar-se.\u00a0 Muitos desses animais encontram-se amea\u00e7ados por diversas raz\u00f5es, entre<\/p>\n","protected":false},"author":1,"featured_media":3711,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1,4,138,135,25,9,27],"tags":[],"class_list":["post-3544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biologia2","category-biologiamarinha","category-comportamento","category-conservacao","category-mamiferos","category-mastozoologia","category-zoologia"],"yoast_head":"<!-- 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