Influence of Feed Dose and Stocking Density on the Growth and Survival of Amphiprion ocellaris in the Presence of Sea Anemones

Abstract

The selling price of Amphiprion ocellaris clownfish varies where the selling price will increase according to the size of the body and its quality. The optimal stocking density of Amphiprion ocellaris clownfish in its maintenance is not yet known and the high price of feed is also a problem. This research was conducted in February-March 2025 at the Lombok Marine Aquaculture Fisheries Center (BPBL), Gili Genting Hamlet, West Sekotong Village, Sekotong District, West Lombok Regency, West Nusa Tenggara. The method used in this study was an experimental method using a factorial completely randomized design (CRD) with two factors, namely the feed dosage factor (3% and 5%) and the stocking density factor (0.5/L, 1/L, 1.5/L). This study consisted of 6 treatments and 3 replicates so that 18 experimental units were obtained. The results showed that feed dose and stocking density had a significant effect on the research parameters, while their interaction did not have a significant effect. While the research parameters of feed utilization efficiency were not significant from the effect of feed doses and their interactions, and survival was not significant from the effect of feed doses, stocking density and their interactions. Water quality during the study was pH 7.9-8.1, dissolved oxygen 5.8-64 mg/L, and temperature 28-30oC. Feed dose of 5% and stocking density of 0.5 fish/L were able to increase the growth of clownfish Amphiprion ocellaris in the presence of sea anemone.