flyfish

From fly +‎ fish?

flyfish (plural flyfishes or flyfish)

1. (obsolete) Sebastes ensifer (the name given in most sources,Sebastichthys rhodochloris, seems to be a synonym for this), a brightly-coloured scorpaenoid fish of California.

• “flyfish”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• fishfly