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Authors

Adiara Firdhita Alam Nasyrah
Muhammad Nur
Azmiatul Khairat
Tikawati Tikawati
Sri Winda Amaliah

Abstract

Eleotris fusca is one of the amphidromous goby fishes lives in Ummiding river, West Sulawesi. Amphidromous goby has a complex life cycle compared to other fishes. The adults lives in river for growth and reproduction, meanwhile the eggs and larvae are transported downstream to the estuary. After completing their larval development, they migrate back to freshwater. The presence of prey strongly influences the migration and growth of E. Fusca in nature. This study aims to reveal the diet composition and feeding habits of E. Fusca. Sample collected using an electrofishing unit in Ummiding river, West Sulawesi, throughout three months from October to December 2023. A total of 90 fishes captured with total length range 32-81 mm. The diet composition of E. fusca consisted in three types of prey, such as insect larvae, phytoplankton and zooplankton. Ratio of length intestinal explained E. fusca category as carnivorous and tends to has feeding strategy in generalist with the dominant prey Hemiptera from insect larvae.

Keywords:
amphidromous goby; carnivorous; E. fusca; Ummiding river; Hemiptera;

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