The dynamics of plankton compositions in juvenile-larvae gut of marble goby fish (Oxyeleotris marmorata Bleeker) collected from Hampalam river and pond in Kapuas Regency, Central Borneo
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2013, Vol 3, Issue 12
Abstract
Appropriate and required feed types are optimally needed to support the viability and growth of Marble Goby Fish (Oxyeleotris marmorata). This research aimed to analyze species, composition, dynamic and density of plankton in gut of Marble Goby juvenile-larvae from Hampalam River and communities’ dykes of Batanjung Village, Kapuas Regency, Central Borneo in 6 stations for 13 months. Abundance, diversity index (H’), evenness index (E), dominance index (D), and Morisita index were estimated. Plankton abundance and composition in gut of Marble Goby juvenile-larvae are 70% zooplankton and 30% phytoplankton. Relation of larvae length to plankton density in gut is significant. Paracalanus is the highest importance value of zooplankton (55%), while Merismopedia and Amphipleura are the highest of phytoplankton, 44.4% each. Zooplankton average value of H’, E and D are 2.17, 0.85 and 0.14, respectively. Whereas phytoplankton average value of H’, E and D are 1.52, 0.74 and 0.27, respectively. Cluster analysis based on Morisita Index implies indifferent feed consumption of Marble Goby on zooplankton composition. On the contrary, phytoplankton feed composition change along with the larval length. Those indicate that Marble Goby consume zooplankton continuously.
Authors and Affiliations
Evi Veronica, Amin Setyo Leksono, Soemarno, Diana Arfiati
Keywords
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