How to Tell Male and Female Silver Arowanas Apart? A Few Simple Methods to Identify Them

As more and more people enjoy keeping ornamental fish, some become very interested in the silver arowana among ornamental fish, especially in studying how to tell males from females. So how do you distinguish male from female silver arowanas?

1. How to tell male and female silver arowanas apart

1. Different body size

Generally, a male silver arowana is longer than a female silver arowana under the same conditions. It seems that in the vast majority of species, males are larger than females.

2. Different pelvic fin shape

Usually, the pelvic fins of a male silver arowana are rather pointed and long, while those of a female silver arowana are not very long, and are not as long as those of a male silver arowana.

3. Different belly shape

Among mature silver arowanas, the female looks rather swollen in the belly because she carries eggs, and this is also a fairly direct feature for distinguishing male from female silver arowanas.

4. Different head shape and size

Because the male silver arowana needs to hold eggs in its mouth, in terms of head shape, the male silver arowana has a larger head.

5. Different gill shape

On the gills of a female silver arowana you can see a beautiful letter A, and the arrow part is shorter than that of the male, while the A on the male silver arowana is irregular and the arrow part is also longer.

The above are five fairly obvious features of how to distinguish male from female silver arowanas.