Reproductive Performance of Osteochillus vittatus Outside of the Natural Environment

Osteochilus vittatus is a species of bonylip barb in the Cyprinidae family of freshwater fish. Reproductive performance of O. vittatus outside of the natural environment is one of the important aspects to be observed. This study’s goal was to assess O. vittatus’s reproductive activity outside of its natural habitat. The research was carried out at the Research Institute for Fish Breeding, Subang, West Java from August to December 2021. Fifty females and thirty males were kept in concrete ponds. The fish were fed a 38 percent protein diet, and their gonad development was monitored monthly. Fish that had matured gonads were spawned and their reproductive performance was observed. The sperm motility and velocity of O. vittatus males were analyzed using a sperm analyzer (CASA). The ovi somatic index was 29.671±98.14 percent, total fecundity was 167,167±7371,11 eggs/100 g female, fertilization rate was 43.97±31.70 percent and hatching rate was 57.50±38.62 percent. The sperm volume was 12.42±4.19 mL, with percent motility and velocity of 93.50±4.36 and 84.00±3.83 respectively. The percentages of static, non-progressive motile, and progressive motile of fish sperm were 4.075±3.88, 103.28±19.02, and 29.85±16.32 percent respectively. Based on the study, we can conclude that O. vittatus has the ability to reproduce outside of its natural habitat.