How to distinguish male and female goldfish

The goldfish that most people breed are like to raise them in pairs, because even numbers are auspicious, and they have the meaning of happy and happy in pairs. On the other hand, some breeders think about breeding, in order to further explore the growth and development of goldfish during the breeding process and the fun of fish farming. The male and female goldfish can be accurately discerned. In addition to mastering the essentials described in the book, the main thing is to carefully observe the long-term feeding process, the differences in the external morphology and swimming of different goldfish species, and the changes in the external appearance of goldfish in different periods. Male and female goldfish are distinguished mainly from the following aspects: (1) Differences in external morphology: (1) Differences in shape: Male goldfish are generally slightly longer in shape, and female goldfish have shorter and round bodies. Spawning females inflated on the abdomen of males. (2) Difference in tail shank: Males are slightly thicker than females. (3) Differences in pectoral fins: Careful observation revealed that males were slightly longer, and the first fins of pectoral fins were stiffer; females were short-circular, and the first fins of pectoral fins were not very hard. (4) Drainage hole differences: From the belly point of view, male fish excretion hole is small and long, concave; female fish hole large and slightly rounded, convex outward. (B) the difference in color: different male and female goldfish, slight differences in body color, males are generally bright colors, while the female slightly lighter, during the reproductive development period, the male body color is more vivid. (C) feel and dynamic: hand care fish by the abdomen, middle finger and ring finger touch the male abdomen has an obvious hard line, the female abdomen is relatively soft. As he walked past the edge of the fish pond, he stepped on his feet and observed that the males were swimming fast and agile, while the females were slower. (D) Starchaser: As the temperature rises, goldfish will appear in the spawning period, the second feature - chasing stars, which is the easiest and most accurate time to distinguish goldfish sex, but also the easiest to grasp a method of identification. The male star catcher appears in the pectoral fins of the first thorn and the edge of the lid. For a long time, there is a star chaser on each pectoral fin of the pectoral fin. The front end is obvious, and it must be carefully observed behind. This rough little white spot is starchaser. Using the above methods of identification, we must also rely on years of breeding experience and careful observation in order to accurately identify the male and female goldfish.

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