{"id":79,"date":"2008-02-04T13:50:26","date_gmt":"2008-02-04T00:50:26","guid":{"rendered":"https:\/\/blog.waikato.ac.nz\/bioblog\/2008\/02\/cool_cephalopods\/"},"modified":"2008-02-04T13:50:26","modified_gmt":"2008-02-04T00:50:26","slug":"cool-cephalopods","status":"publish","type":"post","link":"https:\/\/blog.waikato.ac.nz\/bioblog\/2008\/02\/cool-cephalopods\/","title":{"rendered":"cool cephalopods"},"content":{"rendered":"<p><font>Ages ago I saw an item on TV about cuttlefish &#8211; one of the neat things I took away from it was how cuttlefish and other cephalopods (octopus &amp; squid) use colour to communicate, and how precise their control of skin coloration is. And I would tell my students about it, but I didn&#039;t have the pictures! Well, <a href=\"http:\/\/www.ted.com\/index.php\/talks\/view\/id\/206\" target=\"_blank\">take a look at this<\/a>&#8230;<\/font><\/p>\n<p><!--more--><\/p>\n<p><font>You need to watch a clip about phosphorescence in deep-sea organisms, which is itself quite fascinating, but then the speaker jumps to talking about cephalopods. And there they are &#8211; squid whose control of skin colour is so precise that a male can show a white, aggressive side to another male &#8211; <em>while at the same time<\/em> showing quite a different colour pattern on the other side of his body to the female that he&#039;s courting! And cuttlefish &amp; octopuses that blend into their surroundings, not only mimicking the colours of the coral or algae that they&#039;re hiding amongst, but also time their movements to match the moving patterns of light &amp; dark that waves cast on a sandy seabed.<\/font><\/p>\n<p><font>It&#039;s enough to give you quite a different perspective on squid rings&#8230;<\/font><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ages ago I saw an item on TV about cuttlefish &#8211; one of the neat things I took away from it was how cuttlefish and other cephalopods (octopus &amp; squid) use colour to communicate, and how precise their control of skin coloration is. And I would tell my students about it, but I didn&#039;t have [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[19],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>cool cephalopods : BioBlog<\/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:\/\/blog.waikato.ac.nz\/bioblog\/2008\/02\/cool-cephalopods\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"cool cephalopods : BioBlog\" \/>\n<meta property=\"og:description\" content=\"Ages ago I saw an item on TV about cuttlefish &#8211; one of the neat things I took away from it was how cuttlefish and other cephalopods (octopus &amp; squid) use colour to communicate, and how precise their control of skin coloration is. And I would tell my students about it, but I didn&#039;t have [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.waikato.ac.nz\/bioblog\/2008\/02\/cool-cephalopods\/\" \/>\n<meta property=\"og:site_name\" content=\"BioBlog\" \/>\n<meta property=\"article:published_time\" content=\"2008-02-04T00:50:26+00:00\" \/>\n<meta name=\"author\" content=\"Alison\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@AcampbelTeacher\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alison\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/2008\/02\/cool-cephalopods\/\",\"url\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/2008\/02\/cool-cephalopods\/\",\"name\":\"cool cephalopods : BioBlog\",\"isPartOf\":{\"@id\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/#website\"},\"datePublished\":\"2008-02-04T00:50:26+00:00\",\"dateModified\":\"2008-02-04T00:50:26+00:00\",\"author\":{\"@id\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/#\/schema\/person\/9676347d9dce672ed12b14407e623cea\"},\"breadcrumb\":{\"@id\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/2008\/02\/cool-cephalopods\/#breadcrumb\"},\"inLanguage\":\"en-NZ\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.waikato.ac.nz\/bioblog\/2008\/02\/cool-cephalopods\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/2008\/02\/cool-cephalopods\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"cool cephalopods\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/#website\",\"url\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/\",\"name\":\"BioBlog\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-NZ\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/#\/schema\/person\/9676347d9dce672ed12b14407e623cea\",\"name\":\"Alison\",\"sameAs\":[\"https:\/\/twitter.com\/AcampbelTeacher\"],\"url\":\"https:\/\/blog.waikato.ac.nz\/bioblog\/author\/acampbel\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"cool cephalopods : BioBlog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.waikato.ac.nz\/bioblog\/2008\/02\/cool-cephalopods\/","og_locale":"en_US","og_type":"article","og_title":"cool cephalopods : BioBlog","og_description":"Ages ago I saw an item on TV about cuttlefish &#8211; one of the neat things I took away from it was how cuttlefish and other cephalopods (octopus &amp; squid) use colour to communicate, and how precise their control of skin coloration is. 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