Goldfish tanks can be cleaned on a regular basis, but it is important to follow the specific cleaning instructions provided by the manufacturer. Generally, goldfish tanks should be cleaned every two to three weeks.

Goldfish need clean water to swim and play in, so it’s important to keep their tank clean. If the water is dirty, the goldfish will swim in it and dirt and algae will build up on their scales. This can make them sick.

Goldfish can typically live in water without changing it for up to three days.

Goldfish can survive for a short period of time without air or water, but they will eventually die.

Goldfish need a tank with a minimum of 25 gallons and enough room to swim. They should also have a filter, and some floating plants ornaments.

There is no definitive answer to this question as it depends on the size and breed of your goldfish. However, it is generally recommended that two goldfish should not be kept in the same bowl because they may conflict with each other and potentially get injured.

There is no one definitive answer to this question. Some factors you can consider include whether your fish is swimming around and interacting with its environment, eating and drinking normally, and seeming content.

Goldfish like to play with water droplets, small pieces of food, and other goldfish.

Goldfish need water that is slightly acidic to stay healthy. A good rule of thumb is to change their water every two days.

There is no one definitive answer to this question. Some factors that may indicate boredom in a goldfish include decreased swimming activity, increased sleeping or hiding behavior, and reduced appetite. If you notice any of these changes in your goldfish, it may be best to consult a veterinarian or pet retailer for advice on how to alleviate their boredom.

Goldfish need rocks in their tank for two reasons: to provide them with a place to hide and to create an area for them to swim. Without rocks, they may become bored or stressed and may start to swim in circles or other abnormal patterns.

Goldfish can live in a bowl without a filter, but they will need to be fed a regular diet and water changes should be done on a regular basis.

There is no right or wrong answer to this question – it depends on your own personal preferences. Some people enjoy seeing bubbles in their fish tank, while others find them distracting. Ultimately, it’s up to you whether or not you want to leave bubbles in your tank.

There is no one definitive answer to this question since the needs of goldfish vary depending on their size, environment, and diet. However, some common bedding options for goldfish include: gravel, sand, small pieces of wood, and artificial plants.

Goldfish do not lay eggs. They are oviparous, which means they produce eggs inside their bodies.

Goldfish need to be fed every day, but they will eat less if their water is not constantly changed.