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	<title>破壞生態 彙整 - 樂新聞</title>
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		<title>寵物魚隨便放生?小小金魚也有可能變成巨獸</title>
		<link>https://wellnews.media/archives/2724</link>
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		<dc:creator><![CDATA[樂小編]]></dc:creator>
		<pubDate>Sat, 28 May 2022 17:08:38 +0000</pubDate>
				<category><![CDATA[蒐奇]]></category>
		<category><![CDATA[巨大]]></category>
		<category><![CDATA[放生]]></category>
		<category><![CDATA[破壞生態]]></category>
		<category><![CDATA[金魚]]></category>
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					<description><![CDATA[<img width="1920" height="1280" src="https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920.jpg" class="webfeedsFeaturedVisual wp-post-image" alt="寵物魚隨便放生?小小金魚也有可能變成巨獸" title="寵物魚隨便放生?小小金魚也有可能變成巨獸" style="display: block; margin-bottom: 5px; clear:both;max-width: 100%;" link_thumbnail="" decoding="async" srcset="https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920.jpg 1920w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-300x200.jpg 300w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-1024x683.jpg 1024w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-768x512.jpg 768w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-1536x1024.jpg 1536w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-696x464.jpg 696w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-1068x712.jpg 1068w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-630x420.jpg 630w" sizes="(max-width: 1920px) 100vw, 1920px" />許多人都喜歡養上幾條景觀魚怡情養性，但一項根據研究指出，入侵物種是全球生物多樣性喪失的主要原因之一，而寵物魚類 [&#8230;]]]></description>
										<content:encoded><![CDATA[<img width="1920" height="1280" src="https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920.jpg" class="webfeedsFeaturedVisual wp-post-image" alt="寵物魚隨便放生?小小金魚也有可能變成巨獸" title="寵物魚隨便放生?小小金魚也有可能變成巨獸" style="display: block; margin-bottom: 5px; clear:both;max-width: 100%;" link_thumbnail="" decoding="async" srcset="https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920.jpg 1920w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-300x200.jpg 300w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-1024x683.jpg 1024w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-768x512.jpg 768w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-1536x1024.jpg 1536w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-696x464.jpg 696w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-1068x712.jpg 1068w, https://wellnews.media/wp-content/uploads/2022/05/goldfish-g7f233c1d1_1920-630x420.jpg 630w" sizes="(max-width: 1920px) 100vw, 1920px" />
<p>許多人都喜歡養上幾條景觀魚怡情養性，但一項根據研究指出，入侵物種是全球生物多樣性喪失的主要原因之一，而寵物魚類就佔了所有水生入侵物種的三分之一，任意放生金魚可能會帶來災難性的後果，可能在河流和湖泊中造成危害，大肆吃掉昆蟲和蝌蚪，甚至破壞底部沉積物，把植物連根拔起，導致水質變差，不僅對本地生物構成威脅，也吞噬其他物種所依賴的資源。</p>



<p>根據貝爾法斯特女王大學(Queen&#8217;s University Belfas)詹姆斯·迪基博士(Dr James Dickey)發表在《NeoBiota》的一項研究發現，為了解寵物魚帶來的生態風險，研究人員關注了北愛爾蘭最常交易的兩種魚類―金魚和白雲山魚，其中金魚非常貪吃，比白雲山鰷魚或本地物種消耗更多；在行為模式方面，還發現金魚更勇敢，耐受性強，這一特徵與侵入性傳播有關。</p>



<p>全球流行的金魚在一千多年前首次被馴化，此後在世界各地建立了非本地種群；而白雲山魚，是迄今為止入侵歷史有限的物種。以北歐較冷的氣候為例，非本地物種在北歐較難生存，但金魚卻能夠忍受這種條件的氣候，而且金魚常見又受歡迎，在各大遊樂場經常被當成獎品送給兒童，也容易造成民眾隨意放生的問題。</p>



<p>事實上，在很多地方也都有發現巨大金魚的新聞。2013年生命科學網站(Live Science)的報導中，內華達大學雷諾分校(University of Nevada, Reno)迪帕克·錢德拉 (Deepak Chandra)所帶領的研究團隊，曾在加州太浩湖(Lake Tahoe)拖網捕撈時，意外撈到一條身長約45.72公分 (1.5 feet)、1.9公斤(4.2 pounds)的金魚，而且這些魚正在產卵。</p>



<figure class="wp-block-embed-twitter wp-block-embed is-type-rich is-provider-twitter"><div class="wp-block-embed__wrapper">
<blockquote class="twitter-tweet" data-width="500" data-dnt="true"><p lang="en" dir="ltr">Monster goldfish found in Lake Tahoe | MNN|Mother Nature Network<br><br>Found at <a href="http://t.co/Boc8rFoWoF">http://t.co/Boc8rFoWoF</a> <a href="http://t.co/DpjbjWhVs7">pic.twitter.com/DpjbjWhVs7</a></p>&mdash; nico danan (@OceanMinds) <a href="https://twitter.com/OceanMinds/status/306176940082098177?ref_src=twsrc%5Etfw">February 25, 2013</a></blockquote><script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
</div></figure>



<p>也有網友曾在國外論壇《Reddit》分享照片，他的叔叔40年前在園遊會上撈到一條金魚，便將牠放養在住家後面的池塘，後來這條金魚過世，打撈起來後，牠竟已長成巨獸，連壯碩的成年男性都得用2隻手才能將其抱起。</p>



<figure class="wp-block-embed-reddit wp-block-embed is-type-rich is-provider-reddit"><div class="wp-block-embed__wrapper">
<blockquote class="reddit-embed-bq" style="height:500px" ><a href="https://www.reddit.com/r/absoluteunit/comments/l54vls/an_absolute_unit_of_a_goldfish_that_our_cousin/">An absolute unit of a Goldfish that our cousin won 40&#43; years ago. Lived in a pond on their property. Died last week.</a><br> by<a href="https://www.reddit.com/user/holytrolly_/">u/holytrolly_</a> in<a href="https://www.reddit.com/r/absoluteunit/">absoluteunit</a></blockquote><script async src="https://embed.reddit.com/widgets.js" charset="UTF-8"></script>
</div></figure>
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