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medaka Line breaks: me¦daka
Pronunciation: /məˈdɑːkə/

Definition of medaka in English:


A small, slender freshwater fish with the dorsal fin set back near the tail, native to parts of SE Asia and Japan.
  • Family Oryziatidae and genus Oryzias: several species
Example sentences
  • Genetic linkage maps have been developed for a number of fish species, including zebra fish, medaka, catfish, rainbow trout, Atlantic salmon, and Lake Malawi cichlids.
  • In the medaka, cortisol treatment increased the ability of acid-exposed fish to maintain plasma sodium levels.
  • The Japanese medaka were purchased from a biological supply company.


Early 20th century: from Japanese me(y) 'eye' + -daka 'high'.

Definition of medaka in:
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