JOURNAL OF FISH BIOLOGY, cilt.78, sa.2, ss.647-650, 2011 (SCI-Expanded)
The occurrence of Sciadicleithrum variabilum on the gills of discus Symphysodon aequifasciatus larvae 7 days after hatching is reported for the first time. This suggests that altricial larvae are susceptible to Monogenea following gill differentiation and before complete yolk resorption.