1. Having both pectoral and pelvic fins enlarged
   - four-wing flying fish

Type of: flying fish

• finishing line
• finishing school
• finishing touch
• finite
• finitely
• finiteness
• finitude
• fink
• Finland
• Finn
• finnan
• finnan haddie
• finnan haddock
• Klavier
• klaxon
• Klebs-Loeffler bacillus
• klebsiella
• Klee
• Kleenex
• Klein
• Klein bottle
• Kleist
• Klemens Metternich
• kleptocracy
• kleptomania