Given that the small population of male Platy Pedang affects its reproduction, this research aims to increase the number of male Platy Pedang by introducing Sialang forest honey and determine the effectiveness of honey in the maleisation of Platy Pedang fish (Xiphophorus sp.). A completely randomized design consisting of four treatments of immersion with a Sialang honey dose of 5 mL for was used, and each treatment was repeated three times. Three-day-old Platy Pedang fish larvae were immersed in the Sialang forest honey solution for 10, 12 and 14 hours. Results showed that immersion in Sialang forest honey can increase the percentage of males, and the 12-hour treatment yielded the highest percentage (72.05%). The percentages for the 14- and 10-hour treatments and the control were 69.55%, 63.43% and 58.33%, respectively. The highest survival percentage was 87.00%.