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Ismudi Muchsin
Departement of Aquatic Resources Management, Faculty of Fisheries and Marine Science Bogor Agricultural University, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

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Food and Feeding Habits of Bilih Fish Mystacoleucus padangensis (Bleeker, 1852) In Naborsahan River, Toba Lake, North Sumatera Ani Suryanti; Sulistiono Sulistiono; Ismudi Muchsin; Endi Setiadi Kartamihardja
Journal Omni-Akuatika Vol 13, No 2 (2017): Omni-Akuatika November
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1328.455 KB) | DOI: 10.20884/1.oa.2017.13.2.197

Abstract

The bilih fish Mystacoleucus padangensis did a migration of the lake to the river that empties into the lake to spawn. This study aimed to determine whether migratory fish bilih ate when and what kind of natural foods consumed by bilih fish in it migration habitat. The study was conducted in Naborsahan River, Toba lake, North Sumatra. Sampling was done every 1 hour using Cast net. The results showed that bilih fish keep doing the feeding activity and having diurnal when migrated. The natural food bilih fish in the river and Toba lake was same, it was the phytoplankton of the class Bacilariopiceae. Natural food bilih fish that found in it intestine were phytoplankton include Rhizosolenia, Synedra, Gonatozygon, Closterium, Surirella, Pinnularia, Oscillatroria, Melosira, Gyrosigma, Aulacoseira and Zooplankton among others Creseis, Tubifex and Daphnia. The type of natural food  that  nostly found  in bilih fish intestines were phytoplankton from the genus Synedra Bacilariopiceae with Index of Preporedance (IP) is 97.9 %. Based on the composition of the natural food that was dominated, bilih fish was categorized as the plankton feeder.
Co-Authors Ani Suryanti Endi Setiadi Kartamihardja Sulistiono Sulistiono