Identifying the gender of Electric Blue Rams can be difficult. Both of them looks same. But there are some secondary traits. For female, the fins are rounder where as the male has more pointed fins and tail. Also, the second dorsal fin rays are pointed for male Electric Blue Rams.
Males are more colourful than the females. During breeding mood their colours becomes quite intense. If kept properly, they can live for 5-8 years.
Image Credit:Matthew Moore