it is slightly wider, and has a more curved blue stripe
In order to know if a Silver Arowana is male or female, you need to look at the size of the fish. The male fish are bigger in size.
some female bears are bigger than the male bears
A female frog has a bigger body.
A girls cap is bigger and the boys cap is smaller
Those females probably have something that the males want...
The angler fish.The male animals eat more fish/ food
Usually female angler-fish are at least 40% bigger than males.
male snakehead fish are thin and has bigger fins and head while female has fat body and has smaller fins
A girls cap is bigger and the boys cap is smaller
This is very difficult. It's done through "venting." The vent is the opening between the anus and the anal fin where the fish will excrete either eggs or sperm. Usually the vent is larger in females. It raelly just depends on the type. In some cases, if there is an "egg spot" on their anal fin, it means that the fish is male.
Feeder fish, How do you tell male from female of the?
The bigger of the two is the male