Complex sentence: In sexual role reversal males usually become more selective; however, in "Dendrobates auratus" females were more selective when choosing males, supporting the parental quality hypothesis, which predicted that females would compete for the parental care of particular males.
Split into simpler sentences: In sexual role reversal males usually become more selective; however, in "Dendrobates auratus" females were more selective when choosing males. The parental quality hypothesis predicted that females would compete for the parental care of particular males.