marena

from The Collaborative International Dictionary of English v.0.48

Marena \Ma*re"na\, n. [NL. Salmo maraena, G. mar[aum]ne,
   mor[aum]ne; -- so called from Lake Morin, in the March of
   Brandenburg, in Prussia.] (Zool.)
   A European whitefish of the genus {Coregonus}.
   [1913 Webster]