{"id":136,"date":"2020-06-02T11:09:30","date_gmt":"2020-06-02T18:09:30","guid":{"rendered":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/?p=136"},"modified":"2020-06-13T14:18:23","modified_gmt":"2020-06-13T21:18:23","slug":"coelacanth-latimeria-chalumnae-menadoensis","status":"publish","type":"post","link":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/coelacanth-latimeria-chalumnae-menadoensis\/","title":{"rendered":"Coelacanth <em>(Latimeria chalumnae &amp; L. menadoensis)<\/em>"},"content":{"rendered":"<p>By Kayleigh Faur<\/p>\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/05\/Animating-the-Sea-Final.mp4\"><\/video><figcaption>Monograph Animation Showing Highlighted Information On The Species<\/figcaption><\/figure>\n\n\n\n<p>The ocean is a big part of our planet, so much of it is unexplored. There seems to be more knowledge about space than what\u2019s hidden in the depths of the sea. Gradually we have been able to explore deeper into the ocean and seeing species being discovered that look more like the fictional creatures we\u2019ve created hidden in space. Within discovering there is also rediscovering species, ones that have been thought to be extinct for around 80 million years, with records dating back over \u2018360 million years, with a peak in abundance about 240 million years ago.\u2019 (<a href=\"http:\/\/australianmuseum.net.au\/learn\/animals\/fishes\/coelacanth-latimeria-chalumnaesmith1939\/\">McGrouther<\/a>) The <em>Coelacanth<\/em> had made a return, adding another fossil to the rediscovered collection.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" src=\"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/05\/Coelacanth-Length-Comparison-1024x572.jpg\" alt=\"\" class=\"wp-image-202\" width=\"679\" height=\"379\" srcset=\"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/05\/Coelacanth-Length-Comparison-1024x572.jpg 1024w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/05\/Coelacanth-Length-Comparison-300x168.jpg 300w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/05\/Coelacanth-Length-Comparison-768x429.jpg 768w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/05\/Coelacanth-Length-Comparison-945x528.jpg 945w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/05\/Coelacanth-Length-Comparison-600x335.jpg 600w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/05\/Coelacanth-Length-Comparison.jpg 1200w\" sizes=\"(max-width: 679px) 100vw, 679px\" \/><figcaption>A <a href=\"http:\/\/www.reptilesmagazine.com\/Care-Sheets\/Lizards\/Crested-Gecko\/\">Crested Gecko<\/a> From Snout To Vent Length Is Usually Around 10cm. In total, they can reach up to 20cm.<\/figcaption><\/figure>\n\n\n\n<p>The <em>Coelacanth&#8217;s<\/em> length has been recorded to reach 180cm, with a weight of about 209 pounds. Focusing on their spines and rays the Meristic Count records that the; &#8220;First Dorsal Fin: Eight Spines, Second Dorsal Fin: 30 Rays, Anal Fin: 27-31 Rays, Pectoral Fin: 29-32 Rays, Pelvic Fins: 29-33 Rays, and Caudal Fin: 25+38+21 Rays.\u201d (<a href=\"http:\/\/australianmuseum.net.au\/learn\/animals\/fishes\/coelacanth-latimeria-chalumnaesmith1939\/\">McGrouther<\/a>) There are other notable key features of the <em>Coelacanth<\/em>, such as their shark-like intestines with a spiral valve, and their axial skeleton composed only of &#8220;a hollow tube of cartilage called a notochord.\u201d (<a href=\"http:\/\/marinebio.org\/species\/coelacanths\/latimeria-chalumnae\/\">MarineBio<\/a>) In their skulls, there are hinges, allowing them to consume larger prey, and their swim bladder is filled with fat, this helps provide buoyancy. The <em>Coelacanth<\/em> is ovoviviparous, meaning that they bear live young.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"669\" src=\"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-Internal-1024x669.jpg\" alt=\"\" class=\"wp-image-739\" srcset=\"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-Internal-1024x669.jpg 1024w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-Internal-300x196.jpg 300w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-Internal-768x502.jpg 768w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-Internal-945x617.jpg 945w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-Internal-600x392.jpg 600w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-Internal.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>Display of the Elastic, Unsegmented Notocord for a Backbone, the Swimbladder, and the Area of the Young ones.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"669\" src=\"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-External-1024x669.jpg\" alt=\"\" class=\"wp-image-740\" srcset=\"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-External-1024x669.jpg 1024w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-External-300x196.jpg 300w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-External-768x502.jpg 768w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-External-945x617.jpg 945w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-External-600x392.jpg 600w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/Coelacanth-External.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>External Pieces Labeled<\/figcaption><\/figure>\n\n\n\n<p>Two types of <em>Coelacanths<\/em> being discussed both have a lifespan lasting around 80 to 100 years. Usually found in depths between 90-200m, but also been recorded in depths around 700m. The <em>Latimeria chalumnae<\/em> was found in the West Indian Ocean, which tends to be a darker blue color, highlighted with distinctive white flecks, that researchers have used to distinguish different individuals. The coloration actually gives <em>chalumnae<\/em> an advantage for camouflaging against rocks that are covered with white sponges and oyster shells. For the <em>Latimeria menadoenis<\/em>, it&#8217;s commonly found in the Indonesian area, with a coloration tending to be more brownish-gray than blue. The coloration seems to be the biggest difference between the two, even the time of day they leave their caves are similar. Scientists had tagged the species with sonic devices, discovering that they leave the caves at &#8220;the same time late each afternoon to forage along the coastal during the night.&#8221; (<a href=\"http:\/\/marinebio.org\/species\/coelacanths\/latimeria-chalumnae\/\">Marine Bio<\/a>) It&#8217;s also important to note that the reason they wait for it to get darker, is because the light is too harsh for their eyes. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"682\" src=\"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/UmweltFeaturedImage-1024x682.jpg\" alt=\"\" class=\"wp-image-741\" srcset=\"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/UmweltFeaturedImage-1024x682.jpg 1024w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/UmweltFeaturedImage-300x200.jpg 300w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/UmweltFeaturedImage-768x512.jpg 768w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/UmweltFeaturedImage-945x630.jpg 945w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/UmweltFeaturedImage-600x400.jpg 600w, https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-content\/uploads\/sites\/572\/2020\/06\/UmweltFeaturedImage.jpg 1100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>Umwelt Image (<a href=\"https:\/\/www.theceomagazine.com\/lifestyle\/travel-leisure\/tourism-deep-dive\/\">Inspired By<\/a>)<\/figcaption><\/figure>\n\n\n\n<p>Blending against the rocks, huddled in the caves as we wait for the bright light that illuminates the world outside our protected area. When the light becomes dimmer, we are able to begin the day, the light is too harsh for eyes, we have an adaption for the darker parts of the day. It seems to be a layer in our eyes that can cause a reflection, its how I&#8217;ve been able to spot others in our groups. There is a few hundred that is in our groups, it leaves ample opportunity to choose a mate, but there has been this one male that seems to be catching the entire clutch&#8217;s attention. We mate one at a time, but there is little faith in returning to that same mate.<\/p>\n\n\n\n<p><strong>Bibliography <\/strong>   <\/p>\n\n\n\n<p>\u201cCoelacanths ~ MarineBio Conservation Society.\u201d MarineBio Conservation Society, 7 Mar. 2020, marinebio.org\/species\/coelacanths\/latimeria-chalumnae\/.<\/p>\n\n\n\n<p>\u201cCoelacanth.\u201d <em>Sea and Sky<\/em>, www.seasky.org\/deep-sea\/coelacanth.html#:~:text=They%20can%20weigh%20as%20much,cats%2C%20dogs%2C%20and%20dolphins.   <\/p>\n\n\n\n<p>Coghlan, Andy. \u201cZoologger: The Fossil Fish That&#8217;s a Serial Monogamist.\u201d New Scientist, 20 Sept. 2013, www.newscientist.com\/article\/dn24240-zoologger-the-fossil-fish-thats- aserial-monogamist\/?ignored=irrelevant#.VHZe84uUd8E.   <\/p>\n\n\n\n<p>\u201cInternal and External Anatomy of a Coelacanth.\u201d Internal &amp; External,  faculty.montgomerycollege.edu\/gyouth\/FP_examples\/student_examples.20191023.1305.tls\/rosanna_deshetler\/internal_external.html. <\/p>\n\n\n\n<p>McGrouther, Mark. \u201cCoelacanth, Latimeria Chalumnae Smith, 1939.\u201d The Australian Museum, New South Wales Government, 2 July 2019,    australianmuseum.net.au\/learn\/animals\/fishes\/coelacanth-latimeria-chalumnaesmith1939\/.   <\/p>\n\n\n\n<p>Thomson, Keith Stewart. Living Fossil: The Story of the Coelacanth. Hutchinson Radius, 1991. <\/p>\n\n\n\n<p>Vosjoli, Philippe De, and Allen Repashy. \u201cCrested Gecko Care Sheet.\u201d <em>Reptiles Magazine<\/em>, www.reptilesmagazine.com\/Care-Sheets\/Lizards\/Crested-Gecko\/.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<p class=\"has-text-color has-background has-text-align-center has-white-color has-black-background-color\">\u00a9 2020 Kayleigh Faur<\/p>\n","protected":false},"excerpt":{"rendered":"<p>By Kayleigh Faur The ocean is a big part of our planet, so much of it is unexplored. There seems to be more knowledge about space than what\u2019s hidden in the depths of the sea. Gradually we have been able&#8230; <a class=\"more-link\" href=\"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/coelacanth-latimeria-chalumnae-menadoensis\/\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":8298,"featured_media":737,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[46,23,5],"tags":[],"_links":{"self":[{"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/posts\/136"}],"collection":[{"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/users\/8298"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/comments?post=136"}],"version-history":[{"count":20,"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/posts\/136\/revisions"}],"predecessor-version":[{"id":1359,"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/posts\/136\/revisions\/1359"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/media\/737"}],"wp:attachment":[{"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/media?parent=136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/categories?post=136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.evergreen.edu\/animatingthesea-s20\/wp-json\/wp\/v2\/tags?post=136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}