That all depends on how warm the area is where you wish to keep the tank. If the tank will need a heater/thermostat unit then that would be the main physical limiting factor. The unit must go completely under water. I would remind you however that the smaller the tank the harder it is to keep fish in it successfully. The basic rule for keeping fish is 1 gal (4.25ltrs) of water is needed for 1" (2.5cm) of fish.
A piranha is notorious for being a fierce tropical fish.
small ones
For my shubunkin and common goldfish(still small) I bought pond pellets and snap them in half for them to eat. I usually give them about 5(so 10 pieces). When I had tropical fish(warm water) I gave them one pinch of tropical flakes.
No, tropical fish should not consume betta food as it is specifically formulated for bettas and may not provide the necessary nutrients for other types of tropical fish. It is important to feed tropical fish a diet that is suitable for their species to ensure their health and well-being.
No. They will eat them. They eat fish in the wild, too.
"Tropical" simply means the aquarium is kept above 60F. "Marine" simply means the water in the aquarium has had sea salt added to make the water into sea water. Therefore it is possible to have aquaria that are "Tropical", or "Marine", and also "Tropical marine".
Dragonfly larvae, or 'nymphs', are predatory and will eat small fish!
Yes, a small tropical fish that has black and white stripes. It chases other smaller fish around the aguarium.
A clownfish
No, catfish is not a tropical fish.
Yes, it is bad to put tropical fish in with river fish. The river fish can make the tropical fish sick.
Yes. Intheswim.com has them.