Abstract
Seahorses are marine ornamental fish with high economic value. This has led to an increase in market demand and high levels of capture in the wild. To address these issues, conservation efforts through restocking of these organisms are necessary. One of the efforts that can be undertaken is seed production in hatcheries, through controlled rearing of seahorse juveniles in laboratories with different natural feeds. The objective of this research is to determine the growth, survival rate, and the effect of different natural feeds on the growth and survival rate of seahorse juveniles in hatcheries. The research method used is a laboratory experiment. This study employed a completely randomized design (CRD) with 3 treatments and 3 replications. The natural feed treatments used were (A) Artemia, (B) Copepoda, and (C) Artemia + Copepoda (50:50%). The results of the research show that the best average growth in length of seahorse juveniles is found in treatment with natural feed C (a combination of Artemia + Copepoda) or an increase in length of 9.06 mm/week. The highest survival rate of seahorse juveniles (76%) is also found in treatment C. The analysis results indicate that natural feed significantly affects the growth and survival rate of seahorse juveniles.
Published Version
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