Abstract
Amphiprion clarkii, a popular marine ornamental fish, despite having an already established reproduction technology, still presents divergences regarding the feeding protocol used for its larviculture in what concerns the ideal day of transition from rotifers to Artemia. This study aimed to determine the optimum time to start supplying Artemia to larvae. Survival, growth, weight gain and metamorphosis of treatments: (T2) start of Artemia supply at the 2nd day after hatching (DAH); (T4) start at the 4th DAH; and (T6) start at the 6th DAH were evaluated. Survival rates ranged from 60 to 66 %. Fish in T2 had a number of metamorphosed fish statistically higher than T6 and began to metamorphose 1 day sooner than other treatments. The positive results obtained for T2 can be related to the premature ability of this species to capture large live food, which can provide many benefits to the larvae. It is concluded that it is possible to offer Artemia nauplii to yellowtail clownfish at 2 DAH.
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The authors thank CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico) for the Master’s scholarship to the first author and for Grant to M.Y. Tsuzuki.
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Nass, D.H., Gonçalves, E.L.T. & Tsuzuki, M.Y. Effect of live food transition time on survival, growth and metamorphosis of yellowtail clownfish, Amphiprion clarkii, larvae. Aquacult Int 24, 1255–1261 (2016). https://doi.org/10.1007/s10499-016-9982-3
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DOI: https://doi.org/10.1007/s10499-016-9982-3