makes it possible for the larvae to feed before the
yolk is completely absorbed (Bagarinao, 1986).
Morphological investigations of the jaw and the
digestive tract showed that larval cod, Gadus
morhua, is able to absorb ingested food well before
exhaustion of the yolk sac (Kjorsvik et al., 1991).
In this study, through microscopic observation, it
was found that after 60 hr about 49.93% of yolk
remained and the mouths (443.64±24.26 µm