First Record of Loppe's Tadpole Fish Ijimaia Loppei (Ateleopodidae) in the Gulf of Cadiz (SW Iberian Peninsula), Including Notes on its Diet

Gustavo F. de Carvalho-Souza, Ángela Rodríguez-Ruiz, Cristóbal Lobato Gómez, Enrique González-Ortegón
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Abstract

This paper reports the first record of a rare deep-sea fish Ijimaia loppei Roule, 1922 (Ateleopodiformes: Ateleopodidae) in the Southwest Iberian Peninsula, based on a single specimen (total length 1271 mm) bottom trawled in the mud volcano field in the Gulf of Cadiz, Spain (36º 28′ 54'' N, 7º 07′ 47'' W), at a depth of 585 m, on April 24, 2024. The morphometric and meristic measurements of I. loppei and its congener, I. antillarum, are presented and compared to previously published data. Further, this study provides insights into the diet of I. loppei and fills a gap in the known geographical distribution of the species, thereby contributing to the understanding of the ichthyofaunal biodiversity in the Gulf of Cadiz and establishing conservation strategies for habitats of ecological importance, such as the mud volcanoes.

Abstract Image

加的斯湾(伊比利亚半岛西南部)首次记录到洛佩氏蝌蚪鱼 Ijimaia Loppei(Ateleopodidae),包括关于其饮食的说明
本文基于 2024 年 4 月 24 日在西班牙加的斯湾(北纬 36º 28′ 54'',西经 7º 07′47'')水深 585 米的泥火山区域底拖网捕获的一条标本(全长 1271 毫米),首次记录了伊比利亚半岛西南部一种罕见的深海鱼类 Ijimaia loppei Roule, 1922(Ateleopodiformes: Ateleopodidae)。本研究介绍了 I. loppei 及其同系物 I. antillarum 的形态和分部测量结果,并将其与以前发表的数据进行了比较。此外,本研究还深入探讨了 I. loppei 的食性,并填补了该物种已知地理分布的空白,从而有助于了解加的斯湾的鱼类生物多样性,并为泥火山等重要生态栖息地制定保护战略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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