Hey everyone. About six months ago my friend moved and gave me her goldfish with a 2.5 gallon tank. I read up and discovered goldfish need about 10 gallons at a minimum, so I bought a 10 gallon tank for him (I unfortunately don't have room for anything larger right now), leaving me an empty 2.5 gallon. I've been thinking about planting it and putting a couple shrimp in (probably amano, as I don't want any breeding right now). Does anybody know how many amano shrimp could thrive and what type of plants would be suitable for a 2.5 gallon tank?
Also, this involves the goldfish. I notice he's opening his mouth at the surface of the water quite frequently. The pH level is about 7.4, and I do weekly water changes of 25-30%, so I know nitrate/nitrite isn't an issue. I read that the filter creates enough surface movement in the water to create plenty of oxygen for the tank. Is this true? The tank is wider than it is taller, so it has a larger surface area. Does anybody have any other ideas about what could be causing him to be at the top of the tank almost constantly?
Also, this involves the goldfish. I notice he's opening his mouth at the surface of the water quite frequently. The pH level is about 7.4, and I do weekly water changes of 25-30%, so I know nitrate/nitrite isn't an issue. I read that the filter creates enough surface movement in the water to create plenty of oxygen for the tank. Is this true? The tank is wider than it is taller, so it has a larger surface area. Does anybody have any other ideas about what could be causing him to be at the top of the tank almost constantly?