RUDD
rudd, Scardinius erythrophthalmus
(noun) European freshwater fish resembling the roach
Source: WordNet® 3.1
Etymology
Proper noun
Rudd
A surname.
A city in Iowa.
Noun
rudd (plural rudds or rudd)
Any species of the freshwater game fishes of genus Scardinius
common rudd (Scardinius erythrophthalmus)
Source: Wiktionary
Rudd, n. Etym: [See Rud, n.] (Zoöl.)
Definition: A fresh-water European fish of the Carp family (Leuciscus
erythrophthalmus). It is about the size and shape of the roach, but
it has the dorsal fin farther back, a stouter body, and red irises.
Called also redeye, roud, finscale, and shallow. A blue variety is
called azurine, or blue roach.
Source: Webster’s Unabridged Dictionary 1913 Edition