The anal region of the cockroach is used to secrete digested materials. This area is very small and hard to see with the human eye.
THE style sense something is coming from the cockroache's back and allows it to run in the opposite direction.
anal style is in male cockroach.
a male cockroach has an anal style while a female does not have it..
The male puts his penis in the female's anal cavity.
By putting her on his back and carrying her away
The difference between male and female cockroaches is tough to see unless you get up close to the roach. In the female cockroach, the seventh abdominal segment is divided in two, but it is not divided in the male cockroach.
A female usually has a fan shaped anal fin( anal fin is on the bottom of the fish), and a male's anal fin is pointy, or "rod shaped".
Style is male in Russian
She does not lay eggs and she can not have nymphs without a male
On a male molly behind their anal fin is a pointed fin called the gonopondium. On the female it will be rounded.
If the fish has a triangular anal fin it is a female. If the anal fin is elongated and has a long point it is a "gonopodium" and the fish is a male. That is the ONLY WAY to sex a livebearer.
i think that one is big and one is small
Male guppies have a pointier anal fin and a bigger tail than the female and the female is larger than the male.
The sexing of flowerhorn fish is not that difficult. If you cannot see the U (female) or V (male) shaped anal pores, you can still see the humps. As one might expect, the female's hump should be smaller.