There is a belief among the people that one who eats fish and its head in particular , performs well in school .
Fish remains to date an important part of Ikuhane diet not only as a source of protein but also as a source of intelligence .
There is a belief among the people that one who eats fish and Fish 's head in particular , performs well in school .
Fish remains to date an important part of Ikuhane diet not only as a source of protein but also as a source of intelligence .