The triangular belly of a crab is a male crab, and the round belly is a female crab.
There are gray-black hairs on the two pliers, but that is only for females. The rest of the legs are smooth, while the male's eight legs have fine hairs arranged like brushes. Compared with this method, it is simpler.
There are male and female swimming crabs on the market now. It seems that the appearance of swimming crabs is basically the same, and it can't be seen from the shell. So how do you tell men from women?
how do Portunus divide males and females? A simple method can tell the difference. You can tell the difference by looking at the abdomen of the swimming crab. Male crabs wear thongs and female crabs are wrapped in diapers. In other words, the male crab has a sharp shell and a long belly, while the female crab is round. Another method is to open the shell. If there is yellow, it is crab yellow, and it must be female. If it's white, it's crab paste. It must be male. Male crabs have more meat than female crabs. Let's look at two long pictures, which are more vivid.
how do Portunus divide males and females? If you want to distinguish the male from the female, you have to look at the bottom of the crab. There is a genitalia at the bottom. If it is round, it is female. If it is pointed, it is a man! ! !
According to the folk tradition, the way to distinguish male and female crabs is to look at whether they are pointed umbilicus or round umbilicus, that is, to look at a small lid near the bottom of the crab's belly. If it is sharp and narrow, it is male, while the round one is female. The female is more yellow and the male is more creamy.
The female crab has a big ass, while the male crab has a small ass, which is similar to human beings.
Portunidae, also known as Prunidae, is a family of Portunidae, with 3 species belonging to 35 genera and 6 subfamilies. Including many common coastal crab species, such as blue crab and crab.