MT11 b^d(MT11) https://shigen.nig.ac.jp/medaka/strainDetailAction.do?strainId=10 Melanophores are colorless at the larval stage, gradually exhibiting weak melanization in adults. 自然変異系統 Kyoto University b^d National Institute for Basic Biology Natural mutant strains 基礎生物学研究所 京都大学