Despite the growing concern of scyphozoan jellyfish blooms and their associated threats, there is an acute lack of baseline knowledge regarding the trophic ecology of scyphozoans in tropical waters where blooms of several species sometimes occur at once or successively. Therefore, this study was conducted from June 2010 to December 2011 in the Klang Strait (Malaysia) to elucidate the trophic ecology of eight sympatric species of scyphozoan that occurred in a conjoint mangrove-mudflat habitat. The species diet, trophic position and the relative contribution of primary producers to their nutrition were determined by integrating stomach content examination with stable isotope analysis. Scyphozoans in the Klang Strait are principally carnivores and can be grouped into three major trophic guilds: specialized copepod feeder, copepod and macrozooplankton feeder, and mixed plankton feeder. Bayesian mixing model of δ¹³C isotope values indicates that the scyphozoans mainly derived their basal carbon source from microphytobenthos and phytoplankton. Analysis of δ¹⁵N isotope values reveals that all species are positioned at the third trophic level after mixed zooplankton groups (second) and primary producers (first) in the food web. Scyphozoans thus represent an important trophic link coupling benthic and pelagic primary production to higher-level predators and humans, and are important carbon exporters from nearshore to neritic and offshore waters.

尽管人们对水母水母大量繁殖及其相关威胁的关注日益增加，但在热带水域中水母水母的营养生态学基础知识严重缺乏，热带水域有时会同时或相继出现几种水母水母。因此，本研究于 2010 年 6 月至 2011 年 12 月在巴生海峡（马来西亚）进行，以阐明发生在红树林和泥滩联合栖息地的八种同域水生动物的营养生态。通过将胃内容物检查与稳定同位素分析相结合，确定物种的饮食、营养位置和初级生产者对其营养的相对贡献。巴生海峡的 Scyphozoans 主要是食肉动物，可以分为三个主要的营养行会：专门的桡足类饲养者，桡足类和大型浮游动物饲养者，以及混合浮游生物饲养者。δ的贝叶斯混合模型¹³ C同位素值表明，水生动物的基础碳源主要来自底栖动物和浮游植物。δ ¹⁵ N 同位素值分析表明，所有物种都位于食物网中混合浮游动物群（第二）和初级生产者（第一）之后的第三营养级。因此，水生动物代表了将底栖和远洋初级生产与高级捕食者和人类联系起来的重要营养联系，并且是从近岸到浅海和近海水域的重要碳输出者。