Hereare the best freshwater fish for keeping an aquarium clean: 1. Clown Pleco - Panaqolus maccus. by Chubbs. Maximum size: 3.5 inches (7.9 cm) Tank size: The fish is not very active, so a 10-gallon tank is appropriate: Temperament: Peaceful: Water Temperature: 77 to 85 °F or 25 to 29.4 °C:
Afteradding new fish to your aquarium, leave the light off for a few hours to allow them to adjust to their new environment. Do not tap on the glass or suddenly turn on the aquarium light in a dark room. While most freshwater aquarium fish are raised in captivity today, some rarities and oddball fish are still collected in the wild.Well fine until they have fry and then overcrowd the tank - eventually making the tank too small for the two original fish and their fry. Ultimately, a small tank is not ideal for some fish. Their quality of life is poor which leads to stress and sometimes disease and possibly the fish dying. Aggression can also be an issue in a small tank.
Prettyas some of these ideas may be, it is cruel to keep a fish in most of them. Jars, bottles, old xbox's, TV's They are way too small to keep a healthy thriving fish. Most of these fish are betta fish, commonly known as siamese fighter fish. They need at least a 40 litre tank, heated with a good filter. Anything smaller would not do.
2 Secure the divider in the tank. Tuck the sides of the frame or the egg crate under the lip of the tank. Aim for a very snug fit. You can further secure the divider with suction cups. Attach suction cups to the frame with fishing line. Use plastic zip ties to attach them to the egg crate.