No, in fact they do not need more than 6 to 8 hours worth of light from their tank hood as they should already get natural light during the day.
They prefer one.
Goldfish can die overnight due to various reasons, such as poor water quality, inadequate oxygen levels, sudden changes in temperature, or diseases. It is important to regularly monitor the water conditions and provide proper care to prevent sudden deaths in goldfish.
They don't NEED a light. There a type of fancy goldfish, so you don't need to get them a light. However a light is helpful as it helps them grow and convert vitamin D.
No.
Goldfish and turtles have different care requirements. Goldfish need a tank with a filter and regular water changes, while turtles need a tank with a basking area, UV light, and a varied diet including vegetables and live food. Goldfish are cold-blooded and need cooler water, while turtles are ectothermic and need a heat source to regulate their body temperature.
There are several possible reasons why your goldfish may have died overnight. Some common causes include poor water quality, sudden changes in temperature, overfeeding, lack of oxygen in the water, or diseases. It is important to regularly monitor the water quality in your fish tank and ensure that your goldfish are in a suitable environment to prevent future deaths.
That you need a new goldfish
goldfish
There are several possible reasons why all of your goldfish died overnight. Some common causes include poor water quality, overfeeding, sudden changes in temperature, or a disease outbreak. It is important to properly maintain the aquarium environment and monitor the health of your fish to prevent such incidents in the future.
Goldfish do not need their tank light on for more than 6 hours. Unless you have a lot of live plants in your tank, leaving the light on for a long time will result in an increase in algae in your tank. If you begin to see an algae bloom, then you're best to leave the light off for several days.
Turtles and goldfish have different care requirements. Turtles need a basking area, UV light, and a varied diet including vegetables and protein. Goldfish need a spacious tank, good filtration, and a diet of fish flakes or pellets. Both require clean water and regular maintenance, but turtles need more specialized care.
there are three basic breeds: fantail goldfish, comet goldfish, and common goldfish. if you are getting goldfish for the first time, i would recommend common goldfish as they need the least care.