{"id":30258,"date":"2013-08-06T12:47:57","date_gmt":"2013-08-06T17:47:57","guid":{"rendered":"http:\/\/stateimpact.npr.org\/texas\/?p=30258"},"modified":"2013-08-06T13:33:12","modified_gmt":"2013-08-06T18:33:12","slug":"what-scientists-are-learning-about-sharks-in-the-gulf","status":"publish","type":"post","link":"https:\/\/stateimpact.npr.org\/texas\/2013\/08\/06\/what-scientists-are-learning-about-sharks-in-the-gulf\/","title":{"rendered":"What Scientists Are Learning About Sharks in the Gulf"},"content":{"rendered":"<div id=\"attachment_30268\"  class=\"wp-caption module image center\" style=\"max-width: 620px;\"><a class=\"fancybox\" title=\"Scientists in the Gulf are conducting groundbreaking research on shark behavior\" href=\"http:\/\/stateimpact.npr.org\/texas\/files\/2013\/08\/6741931507_3d6e81a57d_b.jpg\" rel=\"\"><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-30268\" alt=\"Scientists in the Gulf are conducting groundbreaking research on shark behavior\" src=\"http:\/\/stateimpact.npr.org\/texas\/files\/2013\/08\/6741931507_3d6e81a57d_b-620x413.jpg\" width=\"620\" height=\"413\" srcset=\"https:\/\/stateimpact.npr.org\/texas\/files\/2013\/08\/6741931507_3d6e81a57d_b-620x413.jpg 620w, https:\/\/stateimpact.npr.org\/texas\/files\/2013\/08\/6741931507_3d6e81a57d_b-300x200.jpg 300w, https:\/\/stateimpact.npr.org\/texas\/files\/2013\/08\/6741931507_3d6e81a57d_b.jpg 1024w\" sizes=\"(max-width: 620px) 100vw, 620px\" \/><\/a><p class=\"wp-media-credit\">Photo by flickr user USFWS Headquarters<\/p><p class=\"wp-caption-text\">Scientists in the Gulf are conducting groundbreaking research on shark behavior.<\/p><\/div>\n<p>It\u2019s early August, and that means that this week millions of Americans are watching one of TV\u2019s greatest aquatic traditions: <a href=\"http:\/\/dsc.discovery.com\/tv-shows\/shark-week\">Shark Week<\/a> on the Discovery Channel.<\/p>\n<p>Texans, whose state borders a body of water teeming with sharks of all sizes and <a href=\"http:\/\/www.tpwd.state.tx.us\/publications\/pwdpubs\/media\/pwd_br_v3400_1162.pdf\">species <\/a>may want to take special notice. According to <a href=\"http:\/\/www.harteresearchinstitute.org\/dr-greg-stunz\">Dr. Greg Stunz<\/a>, there are some sizable specimens in the Gulf of Mexico.<\/p>\n<p>\u201cBig ones,\u201d he said in describing some of the Gulf\u2019s sharks. \u201c9-feet, 600-pound kind of [sharks]. \u2018They-could-easily-eat-people\u2019 kind of <a href=\"http:\/\/www.youtube.com\/watch?v=yrEvK-tv5OI\">size<\/a>.\u201d<\/p>\n<p>Dr. Stunz is a Professor of Marine Biology and an Endowed Chair for Fisheries and Ocean Health at Texas A&amp;M University \u2013 Corpus Christi\u2019s <a href=\"http:\/\/www.harteresearchinstitute.org\/\">Harte Research Institute<\/a>. He\u2019s currently researching shark behavior and population trends off the Padre Island National Seashore.<\/p>\n<p>Stunz is one of the first scientists to gather data on shark growth and movement in the Gulf. He and his team have <a href=\"http:\/\/www.harteresearchinstitute.org\/ochealth-research\/shark-tracking\">tagged<\/a> over one thousand sharks in order to better understand which species are most common, where they occur, and how often they breed.<\/p>\n<p>\u201cWe don\u2019t have answers to those questions,\u201d Stunz said.<\/p>\n<p><!--more--><\/p>\n<p>Consequently, Stunz\u2019s work has produced some important findings \u2013 notably that climate change hasn\u2019t really affected sharks in the Gulf.<\/p>\n<p>\u201cAlong the Texas coast, we haven\u2019t experienced a lot of climate change on the scale that would affect shark distribution patterns,\u201d Stunz said. \u201c[Sharks] are typically highly migratory, so they\u2019re moving in response to temperatures on an annual basis that\u2019s independent of long-term trends.\u201d<\/p>\n<p>One shark that Stunz tagged covered over 600 miles in just a few months, swimming from Corpus Christi to Houston and then back down to Mexico.<\/p>\n<p>&nbsp;<br \/>\n<iframe loading=\"lazy\" width=\"550\" height=\"550\" frameborder=\"0\" scrolling=\"no\" marginheight=\"0\" marginwidth=\"0\" src=\"https:\/\/maps.google.com\/maps\/ms?msa=0&amp;msid=202293095463227667841.0004e3488a944ed7e8f67&amp;ie=UTF8&amp;t=h&amp;ll=26.833875,-95.251465&amp;spn=5.39034,6.04248&amp;z=7&amp;output=embed\"><\/iframe><br \/><small>View <a href=\"https:\/\/maps.google.com\/maps\/ms?msa=0&amp;msid=202293095463227667841.0004e3488a944ed7e8f67&amp;ie=UTF8&amp;t=h&amp;ll=26.833875,-95.251465&amp;spn=5.39034,6.04248&amp;z=7&amp;source=embed\" style=\"color:#0000FF;text-align:left\">Gulf Coast Shark Map<\/a> in a larger map<\/small><\/p>\n<p>But their resilience to climate change doesn\u2019t mean that sharks are immune to human influence.<\/p>\n<p>Sharks, especially big ones, are being overfished around the world, and the Gulf is no exception. Though it is legal in Texas to catch and eat certain species of sharks, illegal finning is causing real damage to the populations of certain species.<\/p>\n<div id=\"attachment_30271\"  class=\"wp-caption module image right\" style=\"max-width: 300px;\"><a class=\"fancybox\" title=\"Shark finning is illegal, but still kills thousands of sharks per year.\" href=\"http:\/\/stateimpact.npr.org\/texas\/files\/2013\/08\/4917383608_cd9b50efa4_z.jpg\" rel=\"\"><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-30271\" alt=\"Shark finning is illegal, but still kills thousands of sharks per year.\" src=\"http:\/\/stateimpact.npr.org\/texas\/files\/2013\/08\/4917383608_cd9b50efa4_z-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"https:\/\/stateimpact.npr.org\/texas\/files\/2013\/08\/4917383608_cd9b50efa4_z-300x225.jpg 300w, https:\/\/stateimpact.npr.org\/texas\/files\/2013\/08\/4917383608_cd9b50efa4_z.jpg 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p class=\"wp-media-credit\">Photo by flickr user blamethepeople<\/p><p class=\"wp-caption-text\">Shark finning is illegal, but still kills thousands of sharks per year.<\/p><\/div>\n<p><a href=\"http:\/\/en.wikipedia.org\/wiki\/Shark_finning\">Finning<\/a> refers to the practice of removing a shark\u2019s fins then leaving the creature in the ocean to die. Those fins are then sold at a premium for shark fin soup or medicinal purposes. Thousands of sharks can be finned in a single excursion.<\/p>\n<p>\u201cIt\u2019s wholesale slaughter,\u201d Stunz said, noting that most of the finning that occurs in the Gulf is perpetrated by Mexican fishermen using illegal\u00a0<a href=\"http:\/\/en.wikipedia.org\/wiki\/Gill_net\">gill nets.<\/a><\/p>\n<p>H.B. 852, a bill that would have outlawed the fin trade in Texas, <a href=\"http:\/\/openstates.org\/tx\/bills\/83\/HB852\/\">died on the Senate floor<\/a> during the most recent legislative session. Although lawmakers supported the bill\u2019s principles, there was confusion about the bill\u2019s language and how it would be enforced.<\/p>\n<p>\u201cIt wasn\u2019t constructed as well as it should have been. I would suspect in the future you\u2019ll see a strengthening of that legislation. Everyone supported it conceptually,\u201d Stunz said.<\/p>\n<p>But that will have to wait until 2015 at the earliest, when the next legislature convenes. Until then, Stunz and his team will continue their research, hoping that their findings might help shift population trends.<\/p>\n<p>\u201cWe don\u2019t really know what [populations] looked like many years ago in terms of real, true, abundance,\u201d he said. \u201cBut there\u2019s consensus that there was a lot more than there we have today.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It\u2019s early August, and that means that this week millions of Americans are watching one of TV\u2019s greatest aquatic traditions: Shark Week on the Discovery Channel. Texans, whose state borders a body of water teeming with sharks of all sizes and species may want to take special notice. According to Dr. Greg Stunz, there are [&hellip;]<\/p>\n","protected":false},"author":153,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[58],"tags":[287],"acf":[],"_links":{"self":[{"href":"https:\/\/stateimpact.npr.org\/texas\/wp-json\/wp\/v2\/posts\/30258"}],"collection":[{"href":"https:\/\/stateimpact.npr.org\/texas\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stateimpact.npr.org\/texas\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stateimpact.npr.org\/texas\/wp-json\/wp\/v2\/users\/153"}],"replies":[{"embeddable":true,"href":"https:\/\/stateimpact.npr.org\/texas\/wp-json\/wp\/v2\/comments?post=30258"}],"version-history":[{"count":23,"href":"https:\/\/stateimpact.npr.org\/texas\/wp-json\/wp\/v2\/posts\/30258\/revisions"}],"predecessor-version":[{"id":30280,"href":"https:\/\/stateimpact.npr.org\/texas\/wp-json\/wp\/v2\/posts\/30258\/revisions\/30280"}],"wp:attachment":[{"href":"https:\/\/stateimpact.npr.org\/texas\/wp-json\/wp\/v2\/media?parent=30258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stateimpact.npr.org\/texas\/wp-json\/wp\/v2\/categories?post=30258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stateimpact.npr.org\/texas\/wp-json\/wp\/v2\/tags?post=30258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}