Goldfish has red streaks in tail
If goldfish has red streaks in tail fin and or veining throughout the body. If your tank or pond hasn’t properly cycled. If you don’t understand the nitrogen cycle, your fish are at risk of nitrite poisoning
Goldfish has broken blood vessels on body
Unfortunately, a lot of new goldfish keepers and old alike do not understand or know about the nitrogen cycle. In some cases the fish are poisoned again and again, the keeper unaware. The same goldfish keeper that doesn’t understand the nitrogen cycle, has no knowledge of needs of a goldfish. The water is low in value and low in oxygen, heightening the damage caused by the toxin
Goldfish has red streaks in tail fin indicates the fish has been poisoned by nitrites in the past or not so recent past
Goldfish has spider veining
Other symptoms of nitrite poisoning are spitting food and exhibiting periodical spasms
Goldfish spitting food
Goldfish kept in water rich in value, rich in oxygen may show less symptoms and or experience a faster recovery from nitrite poisoning
Read about the nitrogen cycle
If your fish has been affected by nitrites perform this life saving water change
Author: Brenda Rand