How to choose to kiss eel
If you want to choose seedlings with a large number of eggs, high fertilization rate, emergence rate and good quality, you must choose @ # 236 eggs with a certain age, weight, strong physique, no serious disease and trauma as parent eel. In the non-breeding season, it is difficult to distinguish between female and male eel in appearance, and usually stay on the basis of body length. Most of the ricefield eels are female when their body length is 20 cm-35 cm, and most of them are male when their body length is more than 45 cm. Under normal circumstances, you can choose to stay at 3:1 according to the above two body length groups.
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It is exquisite to release fish in early spring.
The quality of fish species of the same age requires the same specifications, similar body length and weight, thick back muscles, bright color, intact scales and fins, normal activity, strong traceability, Gill cover not stretched in the basin after leaving the water, the tail does not bend, beating more than, there are no scars and parasites on the body surface. Disinfection of fish species some farmers do not disinfect fish seeds at all, resulting in high incidence and poor control effect with medicine. in fact, as long as we do a good job in disinfection of fish species, we can often get twice the result with half the effort in the prevention of fish diseases.
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Baolian lantern fish
The country of origin is the middle and lower reaches of the Amazon. The fish is 4 cm ~ 5 cm long, spindle-shaped, flattened laterally. The body size is slightly wider than that of the traffic light fish. The dorsal ventral margin is a shallow arc, the head and tail stalk are relatively wide, and the snout end is round and obtuse. The mouth is slightly larger and the eyes are also large, located in the front and upper part of the head. The shape of the dorsal fin and pectoral fin is normal, and the distance between the starting point of the dorsal fin and the rostral end is slightly shorter than that between the caudal fin base. The anal fin is extended and the caudal fin is forked. The body color is very bright, and the back is yellowish green. The fish features on both sides, with a wide blue longitudinal band from the posterior edge of the eye to the tail stalk.
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