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Maybe you are seeing natural red rays in the fishes fins? If not then there is something wrong with the water. Change some (50%) water daily and see if the red markings disappear. Dont change all of the water.

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13y ago

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What is the significance of red fins on goldfish in terms of their health and breeding patterns?

The red fins on goldfish are significant indicators of their health and breeding patterns. Red fins are a sign of good health and vitality in goldfish, as they are a result of proper nutrition and overall well-being. In terms of breeding patterns, red fins can also play a role in attracting potential mates during the breeding season. Overall, the presence of red fins on goldfish is a positive sign of their health and reproductive potential.


What are the distinguishing characteristics of a goldfish with red fins?

A goldfish with red fins has a distinctive appearance due to the bright red coloration of its fins. This color contrast against the gold or orange body of the fish makes it visually striking and easily recognizable.


How many red blood cells can pass side by side through the capillaries of a goldfish's tail?

In a goldfish's tail, capillaries are quite narrow, typically around 5 to 10 micrometers in diameter. Given that a red blood cell is approximately 6 to 8 micrometers wide, usually only a single red blood cell can pass through a capillary at a time. Therefore, side by side, it's unlikely that more than one red blood cell can traverse the capillaries simultaneously.


What is a bloodfin?

A bloodfin is a South American characin - a variety of fish related to the carp, Latin name Aphyocharax anisitsi, which has a blood-red tail and fins.


Why did the goldfish droppings turn red?

it was blood


Will red tail sharks attack goldfish?

yes! yes they will. Red tailed sharks are very aggressive and territorial not to mention that they will go for the goldfish's long fines.


My goldfish has red patches losing its tail and got the fin clamped shut?

If your goldfish has red patches, is losing its tail and has a fin clamped shut, this could mean that it is sick. You should take it to a vet if possible.


DO GOLDFISH HAVE RED BLOOD?

Yes, goldfish do have red blood. Like most vertebrates, their blood contains hemoglobin, which is a protein that binds to oxygen and gives blood its red color. The presence of hemoglobin allows goldfish to efficiently transport oxygen throughout their bodies, which is essential for their survival in aquatic environments.


What do you do when your goldfish has red lines in its tail?

it has finrot. change the water or buy medicine.


How do you know when a goldfish is sick?

A goldfish that is healthy will swim around with their fins up and behave as you expect a fish to behave.When a fish is ill, it may spend all of it's time sitting on the bottom of the tank, they may have their fins clamped against their body, or they are surfacing at the top of the tank for air.There may also be other signs such as a problem floating upright, blood red streaks in their fins, fungus on their body, sores, or even torn fins just to name a few possibilities.


Is it bad if a goldfish has red on it's fins?

no it means that there very poorly and need lots of attention or flushed down the toilet


How can you tell that a fan tail goldfish is male or female?

No. The only way to tell the difference between male and female goldfish visually is to observe them when they are in breeding season/condition. At this time the male fish develop white spots on their gill plates and pectoral fins. The females simply get more chubby as they fill up with ova (eggs)