Akademik

sailfin
\\ˈ ̷ ̷ˌ ̷ ̷\ noun or sailfin mollie
: a topminnow (Mollienisia latipinna) of the southern United States and Mexico that is predominantly olive green with black markings and fins of lavender, orange, and blue and that has the dorsal fin greatly enlarged in the male

Useful english dictionary. 2012.