most of the time but with betta fish no they can live at room tepature
it will depend on its size (the total litre capacity), how many fish there are, and wether it is a cold water or heated aquarium.
I can see that we're going to need a bigger aquarium.
Aquarium plants can typically survive in a bag for up to 1-2 days before they need to be planted in an aquarium to ensure their health and growth.
They are tropical freshwater fish. They can be kept in an indoor heated tropical aquarium.
Especially in a heated tropical fish tank, with a filter and aerator pump running, and overhead light, water level will decrease due to evaporation. The water level will need topping up as part of the weekly Aquarium cleaning routine.
No!?.
yes they need an aquarium with a section for feeding, a section for swimming, and a section for basking. 75 - 125 gal. reccomended
Goldfish may be kept in an uheated fresh-water aquarium. They are considered ill-suited to live in a heated tropical fish tank, as they are used to the greater amount of oxygen in unheated tanks.
convection. As the water near the heating element is heated, it becomes less dense and rises, creating a current that circulates the water throughout the aquarium, evenly distributing the heat.
The some need of the animals in the aquarium that plants can provide is oxygen.
No! because tropical fish live in heated water and koi in cold water.
All you need is an aquarium, a filter, a lighting system, sand, live rocks, some saltwater, and something to start the cycle.