Are goldfish aggressive?

Keeping at least two goldfish in an aquarium is recommended to provide companionship and promote activity. Solitary fish can exhibit depression and lethargy. Goldfish are generally not aggressive so they can be kept with most community fish provided the other fish are larger than the size of the goldfish's mouth.
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Do goldfish bully other fish?

Even if your tank is very spacious, goldfish will sometimes fight and bully each other if they are in competition for resources such as food. What is this? While it is easy to inadvertently overfeed goldfish, take care not to underfeed them either.
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Why is my goldfish being aggressive?

Territorial

The most common cause of a goldfish being territorial is if they are jealous of other fish in the tank or if the tank is too small. Territorial behavior is distinguished by chasing and nipping other goldfish away from a certain area in the tank.
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How do I stop my goldfish being aggressive?

To attempt to curb aggressive behavior, you can:
  1. Put an acrylic tank divider in your aquarium to separate the fighting goldfish.
  2. Add real plants to the tank to ensure a higher water quality.
  3. Buy rocks and other decorations in which your goldfish can hide to get away from an aggressive tank mate.
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Why is my goldfish chasing my new fish?

Territorial. Introducing a new fish into an established tank can also trigger the intrinsic territorial nature of your fantail goldfish. The new addition may become the target of the chase during the first few days after he enters the tank.
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Are goldfish aggressive? - Are goldfish territorial? - Goldfish



Do goldfish get excited to see you?

Goldfish are certainly smarter than you think. Some have been observed to perceive and remember well enough to distinguish between people. They often notice the person who feeds them each day, and will get excited when they see them.
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Can 2 male goldfish live together?

Keeping at least two goldfish in an aquarium is recommended to provide companionship and promote activity. Solitary fish can exhibit depression and lethargy. Goldfish are generally not aggressive so they can be kept with most community fish provided the other fish are larger than the size of the goldfish's mouth.
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Do goldfish bites hurt?

But there's no need to worry. Goldfish teeth aren't sharp and they can't bite people. They're actually very flat – a bit like human molars – and are used to crush and grind food.
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Do goldfish eat each other?

Goldfish by nature are not aggressive, and are not predatory. The short answer would be, "No, they don't eat each other".
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Do goldfish bond with each other?

Goldfish are fairly social fish, and are also credited with the ability to learn by association. Unless they are in competition with each other for food, even goldfish of different sizes and ages will rarely behave aggressively towards each other, and will come to recognize the other fish in their tank over time.
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Are my goldfish playing or fighting?

If you notice one goldfish chasing another goldfish all the time, or biting them, then they are fighting. If this is happening in your tank, you'll need to do something about it.
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What fish can go with goldfish?

With these ground rules in mind, here are our top 10 tank mates that we have personally tested and found to be compatible with goldfish:
  • Hillstream Loach. ...
  • Brochis multiradiatus. ...
  • Dojo Loach. ...
  • Bristlenose Pleco. ...
  • Rubbernose Pleco. ...
  • White Cloud Mountain Minnows. ...
  • Ricefish. ...
  • Hoplo Catfish.
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How long does a goldfish live?

Goldfish have a lifespan averaging about 10-15 years, with some varieties living up to 30 years when provided with proper care. Unfortunately, many goldfish do not reach their lifespan potential due to inadequate housing conditions.
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Why is my goldfish killing my other fish?

If goldfish don't have enough space, they may get stressed and eat other fish to clear up the room. Each goldfish needs 10 gallons of water. So if you add a second goldfish to your tank, you will need to have 20 gallons of water, and so on. If the tank is overcrowded, there's likely going to be trouble.
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Why is my fish getting picked on?

Territory. A lot of times, a fish fight breaks out over territory. When it comes to defending their territory in the aquarium, some territorial fish can become extremely territorial and aggressive toward other fish. They like to occupy certain areas of your aquarium and set them up as their territories.
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What size tank do I need for 2 goldfish?

Based on the rules above, the goldfish tank size we recommend for two goldfish is: 42 gallons for two Common goldfish. That's 30 gallons for the first fish and 12 additional gallons for the second fish.
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Is it OK to feed goldfish once a day?

Until they are one year old, you should feed goldfish 2 or 3 times per day. Once they are older than one year, you should feed goldfish just once per day. There are, however, a number of factors that could lead you to adjust this schedule. Also, the type and amount of goldfish food you feed your goldfish is important.
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Can I eat my goldfish?

Can you eat goldfish? The short answer is goldfish are as edible as any other freshwater fish; however, they are most likely not very tasty. Goldfish would taste of the foods that they eat – so, for example, a pet goldfish would probably taste a bit like fish flakes and pellets!
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Do goldfish eat babies?

Goldfish will eat their eggs, or eat the fry after they hatch. As soon as you notice eggs, remove the parents from the tank and transfer them somewhere else until the goldfish are grown. You can also remove the eggs from the tank and transfer.
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How big do goldfish get?

According to National Geographic, goldfish are usually around 7 to 16.1 inches long and weigh 0.2 to 0.6 pounds, but can top 5 pounds in the wild.
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How can I play with my goldfish?

You can actually interact with your goldfish by teaching them to swim through hoops and push balls around. You can also feed them with your fingers. Playing with your goldfish is a fun and engaging way to enjoy owning a pet fish.
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Do goldfish know their owners?

Pet goldfish can distinguish between humans, and often recognise the human that regularly feeds them. Pet goldfish can also seem quite scared of new people, but become more comfortable with their owners over time as they realise they aren't a threat.
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How can you tell if a goldfish is a female?

The anal fin in males is closer to the tail compared to females. Male goldfish tend to have more flowing fins and tails compared to females. Male goldfish tend to have a slightly smaller and skinnier body compared to females. Females will have a larger and rounder body and their abdomen can appear soft.
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