{"id":29464,"date":"2026-04-17T16:08:45","date_gmt":"2026-04-17T16:08:45","guid":{"rendered":"https:\/\/www.futurismo.pt\/blog\/\/"},"modified":"2026-04-17T16:08:48","modified_gmt":"2026-04-17T16:08:48","slug":"are-dolphins-endangered","status":"publish","type":"post","link":"https:\/\/staging.futurismo.pt\/pt\/blog\/os-golfinhos-estao-ameacados-de-extincao\/","title":{"rendered":"Os golfinhos est\u00e3o em perigo de extin\u00e7\u00e3o? | Abordagem cient\u00edfica"},"content":{"rendered":"<p>Os golfinhos est\u00e3o em perigo de extin\u00e7\u00e3o? Os golfinhos, pertencentes \u00e0 fam\u00edlia Delphinidae, enfrentam v\u00e1rias amea\u00e7as que levaram algumas esp\u00e9cies a serem classificadas como amea\u00e7adas de extin\u00e7\u00e3o. Compreender estas amea\u00e7as e os esfor\u00e7os de conserva\u00e7\u00e3o em curso \u00e9 crucial para a sua prote\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-overview\">Introdu\u00e7\u00e3o<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2024\/02\/Common-dolphin-Azores-photo58.jpg\" alt=\"David Rodrigues | Fotografia do golfinho comum dos A\u00e7ores\" class=\"wp-image-25059\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Common-dolphin-Azores-photo58.jpg 960w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Common-dolphin-Azores-photo58-300x200.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Common-dolphin-Azores-photo58-768x512.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Common-dolphin-Azores-photo58-18x12.jpg 18w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><figcaption class=\"wp-element-caption\">David Rodrigues | Fotografia do golfinho comum dos A\u00e7ores<\/figcaption><\/figure>\n<\/div>\n\n\n<p><span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">No seio da fam\u00edlia\u00a0<em>Delphinidae<\/em>, Encontr\u00e1mos um grupo diversificado de esp\u00e9cies<\/span> totalizando 38. Esta esp\u00e9cie pode variar num raio de 1,8 metros a 9,8 metros. Estes animais s\u00e3o mam\u00edferos marinhos pertencentes aos Odontoceti, um grupo dentro dos cet\u00e1ceos. Os Odontoceti t\u00eam dentes e apenas um espir\u00e1culo (Jefferson et al. 2011).<\/p>\n\n\n\n<p>Algumas esp\u00e9cies de golfinhos e de outros cet\u00e1ceos podem ser ca\u00e7adas, se os recursos dispon\u00edveis o permitirem. A ca\u00e7a aos cet\u00e1ceos come\u00e7ou em 1100 e terminou no in\u00edcio dos anos 1900. Al\u00e9m disso, as altera\u00e7\u00f5es clim\u00e1ticas influenciam as esp\u00e9cies com ecossistemas mais espec\u00edficos (Parsons e Rose, 2022).<\/p>\n\n\n\n<p>Na Lista Vermelha de Esp\u00e9cies Amea\u00e7adas da Uni\u00e3o Internacional para a Conserva\u00e7\u00e3o da Natureza, encontr\u00e1mos: 23 esp\u00e9cies na categoria menos preocupante, cinco quase amea\u00e7adas, duas vulner\u00e1veis, tr\u00eas em perigo, uma cr\u00edtica, uma sem dados deficientes e tr\u00eas sem categoria (IUCN, 2022).\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.futurismo.pt\/tours\/whale-watching-in-ponta-delgada-sao-miguel-azores\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"815\" height=\"250\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2024\/12\/3.jpg\" alt=\"\" class=\"wp-image-35083\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/12\/3.jpg 815w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/12\/3-300x92.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/12\/3-768x236.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/12\/3-18x6.jpg 18w\" sizes=\"(max-width: 815px) 100vw, 815px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-endangered-species\">Esp\u00e9cies amea\u00e7adas de extin\u00e7\u00e3o<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2024\/02\/Common-dolphin-Azores-photo57.jpg\" alt=\"David Rodrigues | Fotografia do golfinho comum dos A\u00e7ores\" class=\"wp-image-25058\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Common-dolphin-Azores-photo57.jpg 960w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Common-dolphin-Azores-photo57-300x200.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Common-dolphin-Azores-photo57-768x512.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Common-dolphin-Azores-photo57-18x12.jpg 18w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><figcaption class=\"wp-element-caption\">David Rodrigues | Fotografia do golfinho comum dos A\u00e7ores<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Amea\u00e7adas de extin\u00e7\u00e3o, de acordo com os crit\u00e9rios da IUCN, significa todas as esp\u00e9cies que possuem um risco muito elevado de extin\u00e7\u00e3o devido ao r\u00e1pido decl\u00ednio da popula\u00e7\u00e3o. Este decl\u00ednio da popula\u00e7\u00e3o tem de ser de 50 a 70 por cento nos \u00faltimos 10 anos, para que possam ser classificadas nesta categoria.<\/p>\n\n\n\n<p>As esp\u00e9cies amea\u00e7adas s\u00e3o Cephalorhynchus hectori, Orcaella brevirostris e Sotalia fluviatilis. Existe uma esp\u00e9cie, Sousa teuszi, que est\u00e1 criticamente amea\u00e7ada. As amea\u00e7as mais influentes s\u00e3o as actividades antropog\u00e9nicas, incluindo a pesca e a polui\u00e7\u00e3o dos ecossistemas; estas s\u00e3o as principais raz\u00f5es para o decl\u00ednio das popula\u00e7\u00f5es desta esp\u00e9cie.<\/p>\n\n\n\n<p>As redes dos pescadores matam muitos golfinhos por ano, e as esp\u00e9cies de golfinhos que t\u00eam um ecossistema delicado s\u00e3o mais afectadas pela polui\u00e7\u00e3o. Todas estas esp\u00e9cies t\u00eam uma pequena \u00e1rea de distribui\u00e7\u00e3o, zonas costeiras e algumas zonas tem\u00e1ticas de \u00e1gua doce. Isso torna-as mais amea\u00e7adoras do que outras esp\u00e9cies com \u00e1reas de distribui\u00e7\u00e3o maiores (IUCN, 2022).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-fishing\">Pesca<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2024\/02\/Atlantic-Spotted-Dolphin-photo-Azores61.jpg\" alt=\"David Rodrigues | Fotografia do golfinho-pintado dos A\u00e7ores\" class=\"wp-image-24983\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Atlantic-Spotted-Dolphin-photo-Azores61.jpg 960w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Atlantic-Spotted-Dolphin-photo-Azores61-300x200.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Atlantic-Spotted-Dolphin-photo-Azores61-768x512.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Atlantic-Spotted-Dolphin-photo-Azores61-18x12.jpg 18w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><figcaption class=\"wp-element-caption\">David Rodrigues | Fotografia do golfinho-pintado dos A\u00e7ores<\/figcaption><\/figure>\n<\/div>\n\n\n<p>As novas tecnologias tornaram os m\u00e9todos de pesca mais eficazes, mas tamb\u00e9m mais prejudiciais para os habitats, as esp\u00e9cies-alvo e outras esp\u00e9cies (Laxmappa &amp; Bakshi, 2014). A maioria dos golfinhos mortos por estas actividades s\u00e3o mortos por captura acess\u00f3ria. Isto significa que s\u00e3o apanhados acidentalmente pelas redes de pesca.<\/p>\n\n\n\n<p>Os golfinhos detectam as redes, mas n\u00e3o as reconhecem como uma barreira; al\u00e9m disso, ficam enredados porque podem ser distra\u00eddos por outras actividades. Tamb\u00e9m se aproximam das redes porque estas est\u00e3o cheias de peixes, pelo que se aproximam para os comer, o que os coloca em perigo (Bowles &amp; Anderson, 2012).<\/p>\n\n\n\n<p>Para proteger este grupo de ca\u00e7adores, cada pa\u00eds tem as suas pr\u00f3prias leis. Desta forma, est\u00e3o protegidos dos ca\u00e7adores. Por vezes, \u00e9 dif\u00edcil devido \u00e0s culturas dos pa\u00edses, mas os governos tentam proporcionar uma compensa\u00e7\u00e3o econ\u00f3mica aos pescadores (Prieto, 2018).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.futurismo.pt\/tours\/whale-watching-in-rabo-de-peixe-sao-miguel-azores\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"815\" height=\"250\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2025\/02\/Banner-Comercial-Whale-Watching-Rabo-de-Peixe.jpg\" alt=\"\" class=\"wp-image-37100\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/02\/Banner-Comercial-Whale-Watching-Rabo-de-Peixe.jpg 815w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/02\/Banner-Comercial-Whale-Watching-Rabo-de-Peixe-300x92.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/02\/Banner-Comercial-Whale-Watching-Rabo-de-Peixe-768x236.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/02\/Banner-Comercial-Whale-Watching-Rabo-de-Peixe-18x6.png 18w\" sizes=\"(max-width: 815px) 100vw, 815px\" \/><\/a><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ecosystem\">Ecossistema<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"640\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2024\/02\/Bottlenose-Dolphin-Azores-2.jpg\" alt=\"Roxane Rambert | Roaz-corvineiro A\u00e7ores58\" class=\"wp-image-25005\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Bottlenose-Dolphin-Azores-2.jpg 960w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Bottlenose-Dolphin-Azores-2-300x200.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Bottlenose-Dolphin-Azores-2-768x512.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2024\/02\/Bottlenose-Dolphin-Azores-2-18x12.jpg 18w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><figcaption class=\"wp-element-caption\">Roxane Rambert | Golfinho Roaz A\u00e7ores<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Alguns golfinhos podem viver tanto em ambientes marinhos como em \u00e1gua doce. Isto faz com que vivam em ecossistemas fr\u00e1geis. A \u00e1gua doce \u00e9 mais afetada pelas actividades antropog\u00e9nicas porque est\u00e1 mais pr\u00f3xima das zonas urbanas. Os poluentes s\u00e3o libertados nos rios, tornando-os mais facilmente polu\u00eddos do que os oceanos.<\/p>\n\n\n\n<p>A salinidade \u00e9 tamb\u00e9m um fator de sobreviv\u00eancia destes animais, pelo que alguns preferem ficar em zonas pr\u00f3ximas da foz dos rios. Como a sua \u00e1rea de distribui\u00e7\u00e3o n\u00e3o \u00e9 grande, t\u00eam uma popula\u00e7\u00e3o pequena, o que os torna mais vulner\u00e1veis \u00e0 extin\u00e7\u00e3o.<\/p>\n\n\n\n<p>Os seus habitats s\u00e3o mais restritos devido a todas as condi\u00e7\u00f5es de que necessitam para viver. Estas condi\u00e7\u00f5es podem mudar rapidamente com a atividade humana. Por isso, se mudarem muito, talvez um dia essas mudan\u00e7as sejam irrevers\u00edveis. Se isso acontecer, perderemos esta esp\u00e9cie (IUCN, 2022).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclus\u00e3o<\/h2>\n\n\n\n<p>Como vemos onde o ambiente \u00e9 protegido, n\u00e3o encontramos estas esp\u00e9cies em perigo, ou se est\u00e3o em perigo, est\u00e3o a come\u00e7ar a aumentar a sua popula\u00e7\u00e3o. Nos A\u00e7ores, protegemos as esp\u00e9cies de cet\u00e1ceos e, felizmente para n\u00f3s, n\u00e3o encontr\u00e1mos nenhuma esp\u00e9cie de golfinhos em risco de extin\u00e7\u00e3o. Se queres saber mais sobre estes animais, vem v\u00ea-los no seu habitat natural, onde eles pertencem!<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.futurismo.pt\/tours\/whale-watching-in-lajes-do-pico-azores\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"815\" height=\"250\" src=\"https:\/\/www.futurismo.pt\/wp-content\/uploads\/2025\/03\/Banner-Comercial_-Whale-Watching-Lajes-do-Pico-2.jpg\" alt=\"\" class=\"wp-image-37582\" srcset=\"https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/03\/Banner-Comercial_-Whale-Watching-Lajes-do-Pico-2.jpg 815w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/03\/Banner-Comercial_-Whale-Watching-Lajes-do-Pico-2-300x92.jpg 300w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/03\/Banner-Comercial_-Whale-Watching-Lajes-do-Pico-2-768x236.jpg 768w, https:\/\/staging.futurismo.pt\/wp-content\/uploads\/2025\/03\/Banner-Comercial_-Whale-Watching-Lajes-do-Pico-2-18x6.png 18w\" sizes=\"(max-width: 815px) 100vw, 815px\" \/><\/a><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-references\">Refer\u00eancias<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bowles, A. E., &amp; Anderson, R. C. (2012). Respostas comportamentais e habitua\u00e7\u00e3o de pin\u00edpedes e pequenos cet\u00e1ceos a novos objectos e artes de pesca simuladas com e sem um pinger.&nbsp;<em>Mam\u00edferos aqu\u00e1ticos<\/em>,&nbsp;<em>38<\/em>(2), 161.<\/li>\n\n\n\n<li>Lista Vermelha de Esp\u00e9cies Amea\u00e7adas da Uni\u00e3o Internacional de Conserva\u00e7\u00e3o da Natureza (2022). <a href=\"https:\/\/www.iucnredlist.org\/es\">https:\/\/www.iucnredlist.org\/es<\/a><\/li>\n\n\n\n<li>Jefferson, T. A., Webber, M. A., &amp; Pitman, R. (2011).&nbsp;<em>Mam\u00edferos marinhos do mundo: um guia completo para a sua identifica\u00e7\u00e3o<\/em>. Elsevier.<\/li>\n\n\n\n<li>Laxmappa, B., &amp; Bakshi, R. R. (2014). Tipos de artes de pesca que operam e seu impacto na pesca do rio Krishna no distrito de Mahabubnagar, TS \u00cdndia.\u00a0<em>Revista Internacional de Pescas e Estudos Aqu\u00e1ticos<\/em>,\u00a0<em>2<\/em>(1), 30-41.<\/li>\n\n\n\n<li>Parsons, E. C. M., &amp; Rose, N. A. (2022). A hist\u00f3ria da ca\u00e7a de cet\u00e1ceos e a mudan\u00e7a de atitudes em rela\u00e7\u00e3o \u00e0s baleias e golfinhos. Etologia e ecologia comportamental dos mam\u00edferos marinhos: o fator humano em evolu\u00e7\u00e3o. Springer Nature, Cham, Su\u00ed\u00e7a, 219-254.<\/li>\n\n\n\n<li>Prieto, C. (2018). Breve an\u00e1lisis de la Ley 20.293 de Protecci\u00f3n de los Cet\u00e1ceos a 10 a\u00f1os de su entrada en vigencia. Justicia Ambiental.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Are dolphins endangered? Dolphins, belonging to the family Delphinidae, face various threats that have led some species to be categorized as endangered. Understanding these threats and the conservation efforts in place is crucial for their protection. Overview Within the family\u00a0Delphinidae, we found a diverse group of species totaling 38. This species can vary across a [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":25061,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-29464","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wildlife"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Are Dolphins Endangered? | Scientific Approach [2026] \ud83d\udc2c<\/title>\n<meta name=\"description\" content=\"Learn about the endangered dolphin species, the threats they face, and conservation efforts to protect these magnificent marine mammals.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/staging.futurismo.pt\/pt\/blog\/sind-delfine-gefahrdet\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Are Dolphins Endangered? 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