Dol·ly Var·den 
(dŏlē värdn)
(dŏlē värdn)n.
A food and game fish (Salvelinus malma) of western North America and eastern Asia, having red, yellow, or orange spots on a dark body.
[After Dolly Varden, a character known for her colorful costume in the novel Barnaby Rudge by Charles Dickens.]