kido said:its real difficult to sex arowanas.. even the tips provided by delgado and redtail aren't precise.. usually breeders just get adults of 5-6 and wait for a pair to form![]()
DeLgAdO said:arowanas usually become sexualy mature at about 5 years of age, the males are alittle bigger and have a bigger bottom jaw as this is used hold the eggs and babys.
now with the motoros, the females are bigger than the males but the males have what are called claspers with are long reproductions organs located by the base of the tail (i think).