The dorsal fin and gluteal fin are elongated, and the dorsal fin elongation of mature male pearl Lohan can exceed 1/3 of the body. The caudal fin is round or spear-shaped, with different degrees of collapse or folding tendency, and the angle of the last three fins is large;
The picture shows an inverted triangle (wide at the front and narrow at the back) with irregular ink spots in the center of the body. In addition to the above characteristics, the pearl arhat is colorful, but after more than ten years of improvement, many different varieties have been cultivated, such as red auspicious, red diamond and blue diamond.
Extended data:
Luohansong has a broad body, flat side, very similar body length and height, high and full forehead beads, clear eyes, Zhu Chi eyes, low incidence and easy to raise. The requirement for water quality of Luohan fish is neutral and alkaline, with pH value of 6.0 ~ 7.8;
The suitable water temperature is 28~30℃, and the optimum water temperature is 28℃. Podocarpus has a wide range of feeding habits, and both natural feed and artificial feed can be used for feeding. Generally, shrimp, shrimp meat, fish, blood worms and water worms are fed. 1 water change takes 3~5d, and the water change is about 1/3. Podocarpus is a large ornamental fish with a body length of 50~60cm and a weight of 2kg. Moreover, this species has a strong territorial consciousness, and the hybrid is domineering and aggressive, which is suitable for raising alone.
Baidu encyclopedia-arhat fish