Abstract
The sea bream is being cultivated in the Regional Fisheries Research Laboratories, Kinki University. A culture sea bream occurs abnormalities in form owing to the well-balanced nutrition etc. Now, an expert presumes visually that abnormalities are normal for discernment of a sea bream fry, and an alternative is identified. The automatic discernment is indispensable in order to carry out reduction of cost etc. This research examines how to identify a normal sea bream fry and an unusual sea bream fry.