1, reason: There is black dot on silver arowana body, it is splash likely only, not be other disease. This kind of stain is the same as the freckles on the face, but it affects the beauty and does not endanger health. The main cause of this stain is pigmentation or poor water quality.
2. Solution: The breeder can carefully observe the eating condition of the silver arowana. If the eating condition is normal and the swimming is normal, there is no need for special treatment.
1, the reason: silver arowana has black spots may also be sick, mainly because the water quality is too poor or bacterial infection. Silver arowana will have sporadic black spots on its chest, back and tail fin in the early stage of the disease, but it will not affect their normal life at this time. After a few days, small black spots will cover the whole body, and arowana will also appear dull, slow swimming, loss of appetite and so on. Later, when it is serious, the skin will bleed, and it will keep rubbing against the jar.
2. Solution: Breeders need to isolate them immediately and replace them with new water. It's better to put the fish tank in a sunny place so that they can receive sunlight every day. Then take a medicated bath with 0.5 ppm malachite green solution and 25 ppm formaldehyde mixed solution. After about 7 days of medicated bath, the black spots will become lighter or disappear.
