Source : Webster's Revised Unabridged Dictionary (1913)

Mykiss \My"kiss\, n. [Russ. muikize, prob. fr. a native name.]
   (Zo["o]l.)
   A salmon ({Salmo mykiss}, syn. {S. purpuratus}) marked with
   black spots and a red throat, found in most of the rivers
   from Alaska to the Colorado River, and in Siberia; -- called
   also {black-spotted trout}, {cutthroat trout}, and {redthroat
   trout}.