from
The Collaborative International Dictionary of English v.0.48
Dace \Dace\ (d[=a]s), n. [Written also dare, dart, fr. F. dard
dase, dart, of German origin. Dace is for an older darce, fr.
an OF. nom. darz. See {Dart} a javelin.] (Zool.)
A small European cyprinoid fish ({Leuciscus leuciscus},
formerly {Squalius leuciscus} or {Leuciscus vulgaris}); --
called also {dare}.
[1913 Webster +PJC]
Note: In America the name is given to several related fishes
of the genera {Squalius}, {Minnilus}, etc. The
black-nosed dace is {Rhinichthys atronasus} the horned
dace is {Semotilus corporalis}. For red dace, see
{Redfin}.
[1913 Webster]