I think your main concern should not be the catfish, but the potential for any new tankmates introduced into the tank to develop velvet.

Well that is one of my concerns: the other is that eventually the synos will become ill with it. I think the mbuna being older and bigger made him a better host ...

Hi,

I've got a somewhat unusual situation with some petricolas.
First:
55 gallon tank established for 3+ years
PH:8.3
Ammonia, nitrite: 0
Nitrate: 15
KH: 12
5 syno petricols
1 s. angelicus

Long story short:two of the petricolas were added to the tank last November after being in quarantine for ...

Thanks Tyler.

No the strings are not clear--and where the long white strings are intermittant and where I do feed my fish a variety of food I think it's possible that they don't have parasites.

I've ordered some Met. and may treat them anyways as a precaution before adding them to my main tank ...

I know very little about my syno petricolas, other than that they can't handle the same harsh meds as the cichlids can.

I've got three of them along with two juvenile cichlids, (rusty and a lab). I've had them for just over a month, got them all at the same place and they've been in a 55 gallon ...