Diet of two sympatric frogs species (Hoplobatrachus occipitalis and Ptychadena mascareniensis) in the Southern region of Ivory Coast (Aboisso and Maféré)

International Journal of Fisheries and Aquatic Studies Pub Date : 2023-09-01 DOI:10.22271/fish.2023.v11.i5b.2860

P Son, CL Agou, RB Konaté, B Tohé

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Abstract

The diets of Hoplobatrachus occipitalis and Ptychadena mascareniensis were studied from January 2020 to June 2020 according to seasons, size classes and sex in two localities (Aboisso and Maféré) in southern Côte d'Ivoire. Analysis of the stomach contents of 169 specimens (34 specimens of P. mascareniensis and 135 specimens of H. occipitalis) revealed 14 food categories: Insects, Amphibians, Annelids, Arachnids, Arthropoda, Mollusks, Myriapoda, Nematodes, Fish, Reptiles, Trematodes, animal debris, Macrophytes, indeterminate foods. In both localities, P. mascareniensis is omnivorous with insectivorous tendencies, and H. occipitalis is omnivorous with carnivorous tendencies. Coleoptera and Orthoptera are the insects orders most frequently consumed by these species in these localities. The diets of these two species in these localities vary from season to season and from habitat to habitat. In each habitat, the diet of juveniles is different from that of adults for all species except P. mascareniensis at Maféré, where no juveniles were sampled. Only in Aboisso did the diet of juveniles differ according to sex.

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科特迪瓦南部地区(阿瓦索和马夫萨伊罗)两种同域蛙类(枕大蛙和马斯卡雷尼蛙)的饮食

2020年1月至2020年6月，在科特迪瓦南部的Aboisso和mafacimri两个地区，根据季节、大小类别和性别，研究了枕大颈蝗(Hoplobatrachus occipitalis)和马斯凯蝗(Ptychadena mascareniensis)的饮食。对169份标本(34份mascareniensis和135份hcipitalis)胃内容物进行分析，发现14种食物类别:昆虫、两栖动物、环节动物、蛛形纲、节肢动物、软体动物、多足动物、线虫、鱼类、爬行动物、吸虫、动物碎屑、大型植物和不确定食物。在这两个地方，马斯凯蠓是杂食性的，有食虫倾向;枕齿蠓是杂食性的，有肉食性倾向。鞘翅目和直翅目是这些地区这些物种最常食用的昆虫目。这两个物种在这些地方的饮食随季节和栖息地的不同而变化。在每个生境中，除了马夫萨伊姆斯卡雷尼鳗在马夫萨伊姆萨伊姆没有取样到幼虫外，所有物种的幼鱼的饮食都不同于成年鱼。只有在阿瓦索，幼鱼的饮食会因性别而异。

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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International Journal of Fisheries and Aquatic Studies

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