of Luohan fish 1. Look at the body shape: first look at the swimming posture, to be smooth and flexible, and then look at the overall shape, preferably short body and high back, rectangular or square as a whole, this is the better appearance of Luohan fish.
2. Look at the color: first of all, the color should be gorgeous, secondly, the different tones should be harmonious, and finally, the beads should be uniform in size, preferably scattered on each scale. If the beads can spread to the fins and connect with the fish body, it is the top grade.
3. Look at the fin: The fin is wide and smooth, without gaps. The dorsal fin should stand up and be bright in color. It is best to match the color of the fish body.
4. Look at the head: Luohan fish is characterized by its forehead beads, so under the premise of ensuring harmony with the body, the bigger the forehead beads, the better.
5. Look at the eyes and mouth: The mouth of Luohan fish should be short, the best color of the eyes is red, black and white, and there is no other color in the eyes.
female Luohan fish can first look at the shape, the dorsal fin is relatively thick and round is the male fish, flat is the female fish. Secondly, you can see the gonopore, which is V-shaped for male fish and U-shaped for female fish. Furthermore, you can look at the chest, the chest is more round is the male fish, the more pointed is the female fish. Finally, you can touch the pelvic fins with your hands. Generally, the hard ones are male fish, while the soft ones are female fish.