rudd

noun

1. European freshwater fish resembling the roach

   noun.animal

   Synonyms scardinius erythrophthalmus

   Source: WordNet 3.0

2. A fresh-water European fish of the Carp family (<i>Leuciscus erythrophthalmus</i>). 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 <i>redeye</i>, <i>roud</i>, <i>finscale</i>, and <i>shallow</i>. A blue variety is called <i>azurine</i>, or <i>blue roach</i>.

   noun

   Source: webster1913