Medusa Pleco L34 Ancistrus RanunculusMedusa Pleco L34 Ancistrus Ranunculus Inhabits shallow, fast flowing waters, where it lives among the rocky substrates. Gravel or sand substrate and rounded stones and rocks would simulate its natural biotope, but its equally at home in a planted tank. It does need well oxygenated water with a lot of movement, though, and live plants tend not to do so well under these conditions. It will not do well without a degree of current running through the