R. Riehl et R. Bless, FIRST REPORT ON EGG DEPOSITION AND EGG MORPHOLOGY OF THE ENDANGERED ENDEMIC ROMANIAN PERCH, Journal of Fish Biology, 46(6), 1995, pp. 1086-1090
The surface of the whitish translucent egg of Romanichthys valsanicola
is sculptured in an irregular honeycomb-like pattern. The micropyle c
onsists only of type I micropylar channel.