I carry out a 25% water change every week. Any advice is welcome. A: Neale replies: Female Platies, at least, will not cause problems for your Swordtails. Your male Swordtail will simply view them as ...
There’s also the guppy (Poecilia reticulata) — the little fish named after the person who incidentally was not the first to discover it! Along with the related Swordtail (Xiphophorus helleri), platy ...