在波利尼西亚三角看到罕见的波氏鞘鱼,波氏鞘鱼

Alejandra A. Fabres
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引用次数: 0

摘要

拉帕努伊岛只允许手工渔业活动,但这些活动往往不为人所知。市场主要集中在太平洋金枪鱼、斯诺克金枪鱼和黄鳍金枪鱼,这些都是常见的远洋鱼类。2016年9月,一个身份不明的标本作为副渔获物在近海被捕获,并被遗弃在Hanga Piko的主要港口。本研究的目的是鉴定标本到物种水平,使用形态学,分生和分子的方法。所有的分析都表明,该标本属于一种名为Evoxymetopon poeyi的普氏鞘鱼。结论是,罕见的Poey 's鞘鱼,作为一种中水洄游者,在海底山脉中具有海洋分布。
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Sighting of the rare Poey’s scabbardfish, Evoxymetopon poeyi, in the Polynesian triangle
Rapa Nui only allows artisanal fishery activities, but these often go unaware. The market is centralized on Pacific chub, snoek and yellowfin tuna, all common pelagic fish. On September 2016, one un-identified specimen was caught off-shore as by-catch, and left on the main port at Hanga Piko. The objective of this study was to identify the specimen to a species level, using a morphological, meristic and molecular approach. All analyses suggest that the specimen belongs to a Poey’s scabbardfish, Evoxymetopon poeyi. Concluding that the rare Poey’s scabbardfish, has an oceanic distribution through seamounts as a mid-water migrator.
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