Female fish will have a v shape in there tail fin more than the males.
The koi eggs frtilized after they pushed out of the female koi. The male releases sperms in the water, the fertilized process occurs whithin five second after the eggs get pushed out of the femal koi.
the male is bigger than the female
The black koi fish is representative of the male gender, the sun and evil. Where the white is representative of the female gender, the moon and goodness
The terms used to identify a female and male hound are the same as those used to identify other breeds of dogs. The male is simply called a dog, and the correct term for the female is a bitch.
White rabbits can be either male or female. See the related question below for info and links with pictures that can help you identify if your rabbit is male or female.
Normally the female is larger then the male
they have less spots and a darker red than female
Male have muscular body feature. Muscular , co'z weight lifter. Female ready for sex all the time/
There is no name given to identify the sex of a beetle. They are just referred to as the "male" or "female" beetle.
male snakehead fish are thin and has bigger fins and head while female has fat body and has smaller fins
The pelvis is a key indicator for determining the sex of a skeleton. In general, male pelvises are more robust and narrower, while female pelvises are wider and have a broader pubic angle. Additionally, other indicators such as skull features and long bone dimensions can also be considered.
Female guppies are larger and plainer. The male is distinctive for his long, flowing, colourful tail and generally brilliant colours.