muskia get really big i think you may need a bigger pond first
but if you wan't to go natural then try suckers or sunfish they do get spines but its not to bad they eat them in the wild all the time
but if you were going to breed cichlids then try
convics which get around 6'' max
red devil which get around 12'' max but are tall so you won't be able to feed them huge ones
jackdempsys which get around 8''
but the main thing is you should get them on to better food not only are they not a very good food but it will be harder to do then you think
it will take time to grow them to the right size you would need many tanks one with the parents anouther to keep fry in anouther to keep larger fish in and anouther to keep even larger fish in and with cichlids when they start getting larger they will fight so you'll need even more tanks so reeding really isn't as eazy as you'd think
but if you wan't to go natural then try suckers or sunfish they do get spines but its not to bad they eat them in the wild all the time
but if you were going to breed cichlids then try
convics which get around 6'' max
red devil which get around 12'' max but are tall so you won't be able to feed them huge ones
jackdempsys which get around 8''
but the main thing is you should get them on to better food not only are they not a very good food but it will be harder to do then you think
it will take time to grow them to the right size you would need many tanks one with the parents anouther to keep fry in anouther to keep larger fish in and anouther to keep even larger fish in and with cichlids when they start getting larger they will fight so you'll need even more tanks so reeding really isn't as eazy as you'd think