电鳗 Electrophorus voltai（硬骨鱼纲：电鳗科）在巴西亚马逊地区的饮食组成。

Diet composition of the electric eel Electrophorus voltai (Pisces: Gymnotidae) in the Brazilian Amazon region.

机构信息

Postgraduate Program on Tropical Biodiversity (PPGBio), Federal University of Amapá, Macapá, Brazil.

Chico Mendes Institute for Biodiversity Conservation (ICMBio), Macapá, Brazil.

出版信息

J Fish Biol. 2020 Oct;97(4):1220-1223. doi: 10.1111/jfb.14413. Epub 2020 Aug 19.

DOI:10.1111/jfb.14413

PMID:32463115

Abstract

The diet composition of the electric eel Electrophorus voltai was studied in specimens collected from the River Jari, state of Amapá, eastern Amazon region, Brazil. Analysis on their stomach contents revealed that fish, especially Megalechis thoracata, were the most frequent prey item, whereas arthropods and plant material were the least frequent intakes. This is the first stomach content analysis on E. voltai, and it corroborates that electric eel species are piscivorous.

摘要

对来自巴西亚马孙东部阿马帕州贾里河的电鳗 Electrophorus voltai 进行了饮食组成研究。对其胃内容物的分析表明，鱼类（尤其是巨脂鲤 Megalechis thoracata）是最常见的食物，而节肢动物和植物材料则是最不常摄入的。这是对电鳗 E. voltai 的首次胃内容物分析，证实了电鳗物种是肉食性的。