No. Depending upon the climate you live in, tropical fish may need heaters if you live in a cool place and if you live in a warm place cold water fish may need coolers. Each species has its own requirements.
Tropical fish.
Blood parrots are tropical fish, yes they do need heaters.
its for tropical fish and salt water fish. they need to have warm water to survive cause were they live is really warm waters
Typically heaters are needed for tropical fish tanks. However, if you could guarantee the room temperature where the tank is located will be maintained at the needed temperature for your fish, then you don't need a heater. Most tropical tanks need to be maintained at temperatures of 72 to 80 degrees Fahrenheit, depending on the types of fish in the tank.
No
Betta fish do not enjoy currents that come from filters. You could put in a filter but I would recommend not to. Also, Heaters are unnecessary as long as you keep the water 70-80 degrees.
Not all heaters can go inside a fish tank. The heater must be specifically made to be put in an aquarium. You can order one off the internet as long as it is made to be put in water or you can get one from your local fish or pet dealer. It would be better for a first time fish owner to get one from a pet dealer instead of the internet.
Eat Fish and buy heaters
One can purchase a fish tank heater at various pet supplies shops. PetSmart, Petco, Marine Land, and Argos all have fish tank heaters for sale on their websites.
form_title= Baseboard Heaters form_header= Stay warm in the winter with baseboard heaters! What area do you need heated?* = _ Will the heaters need to operate all day or only within a window of time?* = {All Day, Less Than All Day, Not Sure} Do you currently have any other climate control systems in place?* = () Yes () No () Not Sure
One of the advantages of electric heaters over gas heaters is convenience. All homes are equipped with electricity, but not all homes have gas. But there are a variety of types of heaters, such as space heaters, hot water heaters, or furnaces. With electric heaters, there is no risk of becoming overcome with fumes.
ALL fish need filtration.