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首页> 外文期刊>Gulf and Caribbean research >DISTRIBUTION AND LENGTH FREQUENCY OF INVASIVE LIONFISH (PTEROIS SP.) IN THE NORTHERN GULF OF MEXICO OF MEXICO
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DISTRIBUTION AND LENGTH FREQUENCY OF INVASIVE LIONFISH (PTEROIS SP.) IN THE NORTHERN GULF OF MEXICO OF MEXICO

机译：墨西哥北部湾侵入性L鱼（（鱼）的分布和长度频率

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In recent years, the prevalence of invasive marine species in United States (US) waters has greatly increased due to anthropogenic factors such as transportation, trade, and aquaculture (Bax et al. 2003). As populations of invasive species increase in a region, they can displace native species, alter community composition and food webs, and change fundamental ecosystem processes (Moinar et al. 2008). Indo-Pacific lionfishes (Pterois volitans and P. miles) have spread rapidly within US territorial waters of the western North Adantic Ocean (Morris and Akins 2009, Green et al. 2011). Lionfishes are now known to occur from Massachusetts to the Florida Keys and in the Caribbean Sea and Gulf of Mexico (GOM) (Morris 2009, Schofield 2010). Genetic analysis revealed that the most likely pathway for the introduction of lionfishes into US waters was the result of multiple aquarium releases off the southeast coast of Florida (Betancur-R et al. 2011). The combination of their high spawning frequency (year round, ~every 4 d, Morris 2009) and protracted pelagic larval phase (~26 d, Ahrenholz and Morris 2010), coupled with release in a region with multiple oceanographic currents (e.g., Gulf Stream, Caribbean Current, Yucatan Current and Loop Current) has resulted in the rapid dispersal of lionfishes into the western Atlantic Ocean, including the Caribbean Sea and GOM (Cowen et al. 2006, Betancur-R et al. 2011). The first lionfish was reported from the northern GOM (defined as all US GOM waters within the boundaries of the US Exclusive Economic Zone) in 2006; however, the origin of this specimen has been questioned as it was found dead (Schofield 2009). The next reported sightings occurred during 2010 off southwest Florida, and since that time individuals have been observed as far west as Ewing Bank in continental shelf waters off Louisiana (Schofield 2010).
机译：近年来，由于人为因素（例如运输，贸易和水产养殖），在美国（US）水域中入侵海洋物种的流行已大大增加（Bax等，2003）。随着一个地区入侵物种种群的增加，它们可以取代本地物种，改变社区组成和食物网，并改变基本的生态系统过程（Moinar等，2008）。印度洋-太平洋（鱼（Pterois volitans和P. miles）已在北印度洋西部的美国领海内迅速传播（Morris和Akins，2009年，Green等，2011年）。现在已知鱼从马萨诸塞州到佛罗里达礁岛以及加勒比海和墨西哥湾（GOM）（Morris 2009，Schofield 2010）。遗传分析表明，将ion鱼引入美国水域的最可能途径是佛罗里达州东南沿海多个水族馆释放的结果（Betancur-R等人，2011）。它们的高产卵频率（全年，每4 d，Morris，2009年）和持久的上层幼体期（〜26 d，Ahrenholz和Morris，2010年）的结合，再加上在具有多种海洋洋流的地区（如墨西哥湾流）的释放，加勒比海流，尤卡坦海流和环流）导致fish鱼迅速扩散到包括加勒比海和GOM在内的西大西洋（Cowen等，2006; Betancur-R等，2011）。 2006年，第一只from鱼是从北部GOM（定义为美国专属经济区边界内的所有GOM水域）报告的。然而，该标本的来源受到质疑，因为它被发现已经死亡（Schofield 2009）。下一次报告的目击事件发生在2010年佛罗里达州西南部，自那时以来，人们一直观察到路易斯安那州以西的大陆架水域中最远的尤因河岸（Schofield 2010）。

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