ABSTRACT
A development series of Atherina boyeri (Atherinidae: Pisces) larvae from Lake Trichonis is described and illustrated. In view of the uncertainty concerning the systematic relationship between A. boyeri, A. presbyter, and A. mochon pontica, a comparison of larval characters of the three taxa is attempted, based on the present material and published descriptions of the latter two taxa. The comparison reveals remarkable morphological similarities, but also a confusing pattern of variation which raises the same systematic questions as the comparison of adults.