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The middle and lower reaches of the Amazon.
Second, the appearance of features
The fish is 4 cm to 5 cm long, spindle-shaped and flat. The body is slightly wider than the traffic light fish. The dorsal-ventral rim is a shallow arc with a wide head and caudal peduncle and a rounded blunt snout. The mouth is slightly larger and the eyes are larger, located at the front of the head. The dorsal and pectoral fins are normal, with the starting point of the dorsal fin slightly shorter than the distance between the caudal fin bases. Anal fins extend, forked tail fins. Body color is very beautiful, the back was yellowish green. The distinctive features of this fish are on both sides. There is a wide blue vertical band from the posterior edge of the eye to the caudal peduncle, and a very wide red patch below the vertical band. It is very eye-catching. The fins are colorless and transparent.
Third, living habits
Optimal water temperature 22 °C ~ 24 °C, hi acidic water quality, to maintain its bright body color, we must always cast some animal feed. The fish is temperate and should be raised in groups. The swimming is more lively and cheerful.
Fourth, reproductive characteristics
The seaweed of Potentilla is sexually mature between June and August. The body size of mature females is wider than that of males, and the abdomen expands. The body size of males is narrow and thin, but the colors are more beautiful than females. It's easy to see from both the top and side views. When breeding, choose a body about 5 cm in length for broodstock. The fertilized eggs need to be attached to the nest, so the breeding tank should be filled with gold grass or brown wire, and it can also be laid on the bottom of the tank. Water quality requirements are somewhat acidic, with hydrogen ion concentrations of 158.5 μmol/L to 251.2 μmol/L (pH 5.6 to 6.8), water temperatures of 25°C to 26°C, and the fish tank placed in direct sunlight. The fertilized eggs also need to hatch in a dim environment. After 24 hours to 36 hours, the larvae hatch. After 24 hours to 48 hours, the yolk sac in the larvae on the fish nest disappears, and they start to swim.
Fifth, feeding difficulty
Easy to keep.
Pauline lamp fish rearing
First, the origin