Also, I know I just got my cardinals and I’ll change the filter media in 5 or 6 weeks but I was thinking ahead about a feature fish for my tank. My dad tells me to get an Angelfish because he thinks they look pretty but I’m 99.9% sure that my tank isn’t deep enough. I was originally thinking about a Betta fish, which is why I chose Harlequins and Cardinals as I heard they’re less likely to nip but as I watch them, the more I think the faster pace of my tank would just be too much for one. My cardinals are quite speedy and the Harlequins can certainly move when they want! (They all actually have an interesting dynamic in the tank with the Harlequins forming a loose group in the dead centre of the tank and the Cardinals vaguely surrounding them)
Do you have any suggestions that would be suitable? With my 9 Harlequins, 5 (I may make it up to 6, depending on whether or not adding 1 individual into a shoal is recommended) Cardinals and my 2 otos, I don’t know how much extra space I have in my 64litre (technically, my filter, heater, plants and decor take up a lot of room but I’m not good with numbers so not sure what the tank is more like). If my Harlequins give me another 4 babies then my plan would be to find a new home for the 6 babies, which would leave me with a happy 7.
Any suggestions or comments on anything here would be helpful
Addition for your last post Matt, my stockings currently stand at 9 Harlequin Rasboras, 5 Cardinal Tetras and 2 Otocinclus and the tank is 61cm long, 44cm wide and 33cm deep