Male tetras are typically more colorful and have longer fins compared to female tetras. Additionally, male tetras may exhibit more aggressive behavior, especially during mating season. In some species, the shape of the body or the presence of certain markings can also help differentiate between male and female tetras.
Those females probably have something that the males want...
The way you can tell a difference between the male and the female is because the female has orange eyes and a yellow throat, but with a male Spotted Turtle it has brown eyes and a tanned throat
One way to tell the sex of your neon tetra is that the males tend to be more slender, and the females tend to be a bit more round. Additionally, the line that runs along the body of a male tetra will be straight, while on the female, it will bend a bit.
it is slightly wider, and has a more curved blue stripe
well, for guppies, if the small fin under the tail fin is long and ribbony, its male. if its wide like a tetra's, its female. ( Its the same for bettas.)
Feeder fish, How do you tell male from female of the?
How do you tell a male pacific frog from a female
You can tell if a dog is male or female by looking at their genitals. Male dogs have a penis and testicles, while female dogs have a vulva.
Both male and female emus have blue on their necks. It is impossible to tell the male and female apart by appearance alone.
You can tell a male angel fish from a female one by all the colorful stripes it has. [the male one]
The problem will not be the tetras coexisting with the Bettas. It will be the female Betta. She will undoubtedly be killed by the male. He may well spawn her first but afterwards, if she is left in his presence he will kill her. Also if he has ova or fry to look after he will kill the tetras in defence of his young.
Because the male has a mane and the female does not have a mane.