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First records of the seven‐gilled Notorynchus cepedianus and six‐gilled Hexanchus griseus sharks (Chondrichthyes: Hexanchiformes: Hexanchidae) found in the Galápagos Marine Reserve
Journal of Fish Biology ( IF 2 ) Pub Date : 2020-07-30 , DOI: 10.1111/jfb.14447
Salome Buglass 1 , Shannon Nagy 1 , David Ebert 2, 3 , Paulina Sepa 1 , Alan Turchik 4 , Katherine L C Bell 4, 5 , Fernando Rivera 6, 7 , Jonatha Giddens 4
Affiliation  

This study reports the first records of cowsharks (Hexanchidae) in the Galápagos Islands, in particular Notorynchus cepedianus and Hexanchus griseus, observed between depths of 210 and 418 m on footage from free-falling autonomous deep ocean cameras. These sightings provide new information on the habitat preferences and range distribution for N. cepedianus, and the first records of H. griseus in Ecuadorian waters. Our findings support the formulation of regional conservation strategies for these large apex predator species, and highlight our limited biological knowledge of Galápagos' deep-water ecosystems. This article is protected by copyright. All rights reserved.

中文翻译:

在加拉帕戈斯海洋保护区发现的七鳃 Notorynchus cepedianus 和六鳃 Hexanchus griseus 鲨鱼(软骨鱼类:Hexanchiformes:Hexanchidae)的首次记录

这项研究报告了加拉帕戈斯群岛的牛鲨(Hexanchidae)的第一个记录,特别是 Notorynchus cepedianus 和 Hexanchus griseus,它们在 210 到 418 m 的深度之间从自由落体的自主深海相机的镜头中观察到。这些目击事件提供了关于 N. cepedianus 的栖息地偏好和范围分布的新信息,以及厄瓜多尔水域中 H. griseus 的首次记录。我们的研究结果支持为这些大型顶级捕食者物种制定区域保护战略,并突出我们对加拉帕戈斯深水生态系统的有限生物学知识。本文受版权保护。版权所有。
更新日期:2020-07-30
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