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While it's rare, some goldfish can be aggressive and may nip fins. Otherwise males will chase females in the tank if the female is full of eggs. If this is the case, the male will poke his head against her side and her belly to try & get her to release eggs.
If there is one specific fish that is being chased, you may need to separate that fish from the others for it's own health; if there is one specific fish that is constantly chasing the others, then you may need to separate that one from the rest.
What else can I help you with?
Why is your goldfish biting other fish bum?
One goldfish chasing (or in this case biting) another fishes rear is how goldfish flirt, however this could also be a display of aggression towards the other fish.
Why is the male goldfish chasing the male goldfish aroung the tank and sometimes chases the other male and has white dots on the gills?
The white dots mean the males are ready to spawn. The spawning procedure of goldfish is to chase one another.
Why are your goldfish always next to each other?
Because they are playing, or constantly chasing and nudging the other fish. It's something they do when they're bored out of their minds.
Can goldfish eat twice a day?
Yes they can. In small amounts though because you need to minimize the waste when it comes to goldfish. I would recommend feeding them every OTHER day.
How can I determine if my goldfish is pregnant?
Goldfish do not get pregnant like mammals do. Instead, female goldfish lay eggs that are fertilized by male goldfish. You can tell if a female goldfish is ready to lay eggs by looking for a swollen abdomen and a more rounded body shape. Additionally, the female may exhibit behaviors such as digging in the substrate or chasing other fish in the tank.
Do goldfish have a favorite thing to do?
Swim, hide, eat, poop, and chase each other is about all they do. Chasing other fish in a human perspective seems like the most entertaining.
Why do your gold fishes chase each other around?
Probably just for fun. Lots of creatures play chasing games why should goldfish be any different?
How many times do you feed the goldfish a day?
It depends on the fish. For young goldfish feed them 2-3 times a day- they need the extra feeding because their small stomachs can only hold so much food at one time which can result in malnutrition. For adult goldfish feeding then 1-2 times a day is fine, and for elderly goldfish feed a goldfish formulated diet once a day and a treat of green peas everyday to every other day to help reduce the risk of becoming constipated.
Why do 4 goldfish chase 1 goldfish?
the goldfish that is being chased might be a female goldfish where as the others are male goldfish, so the female one gets battered around the tank and the fins and tail might shred it is a good idea to separate the single fish so it wont be attacked. i know this cause my Goldfish do the same XD Look for white dots on the cheek of fish that r chasing the other one. if it does have white dots its a Male hope that helped :)
You have two goldfish and one is chasing the others butt what does that mean?
There are a few reasons. They could be a pair and mating. They could just be playing. If the one doing the chasing is biting the fins or tail of the other fish, it could be a bully. If the one being chased has no signs of being bitten and is in good health, you have nothing to worry about. If you have a bully, you need to make sure he isn't damaging the other fish. If he is doing damage, he will need to be taken out of the tank.
Can goldfish live with goldfish?
Yes, goldfish are very social and love to be with other goldfish. As long as one is not small enough to fit into the other one's mouth (goldfish will also eat just about anything), they will be fine. Goldfish are typically not aggressive unless it's a male chasing a female for spawning purposes. A word of caution: Goldfish create LOTS of waste so you don't want to get more than your tank can handle else you will not be enjoying your goldies, you will be doing water changes trying to keep them healthy. A good rule of thumb for goldies is 20 gallons per fish, to give them room to grow in good quality water.
Is it better for goldfish to be with other goldfish?
Yes.
