A flat body with stripes and a red tail is common in rural ditches. What kind of fish is that?

This is a kind of fork-tailed fighting fish, which is similar in shape to round-tailed fighting fish. The ventral fin has 1 segmented fin, especially the male fin and the caudal fin are bifurcated. Most of them live in shallow water areas such as mountain ponds, rice fields and springs, and feed on invertebrates. During the breeding season, males spit foam into nests and gather their eggs in the nests. Males have the habit of protecting their nests. Small size, bright body color and aggressive male fish are famous ornamental fish. Distributed in the upper reaches of the Yangtze River and southern provinces.

China betta, also known as: fork-tailed betta, rabbit fish, paradise fish, etc. Longyan people call it "pengpeng" or "Class Three". Yangjiang area is called "fart frequency". Pingnan, Fujian called it "Ping Pong Lion". Meizhou area is called "Pangpila". In the past, it was found everywhere in wild streams, rivers and rice fields in the south of China. Because of its subtropical distribution, China Betta can survive well in the low water temperature environment above 0℃ and grow well in the water temperature above 14℃.

Frank schafer, a famous German ornamental fish expert, said in his book The Complete Works of Branches: "The earliest tropical ornamental fish is also one of the most beautiful fish species so far." In western countries, China Betta is one of the most popular ornamental fish species, and it is called paradise fish.

The adult fish is 5 ~ 7 cm long, slightly flat, with a slightly sharp head, yellow eyes, black pupils, a short black stripe across the eyes and a blue spot on the gill cover, which is more obvious in males. The body color is light brown, and the male fish has vertical stripes of red, blue or red and green, which will change with the state of the fish, and will fade to light red and light green when the state is not good. The longitudinal stripes on the side of the female fish are not bright and obvious, and the whole body is light brown. The dorsal fin and the anal fin are long, the two fins are dark blue with light blue or white edges, and the caudal fin is red and bifurcated. When the male fish matures, the ends of dorsal fin, gluteal fin and caudal fin are trimmed, and most individuals will have slender wire drawing at the fin end, with obvious tail fork, bright red with blue spots and light blue at the wire drawing end, while the female fish has no obvious tip trimming and slightly convex abdomen.

reference data

Baidu encyclopedia. Baidu Encyclopedia [reference time 20 17- 12-22]