what are marble trout
Marble trout is only indigenous species of trout in the Adriatic (Western) part of the river system in Slovenia.This Soca watershed, which flows into the Adriatic, consists of the river Soca and its tributaries RiaÂ¾ana riÃ¥Â¾ana And. Reka marble trout originally evolved from the brown. troutts colouring and marbled pattern changes from river system to river system, so it is possible to find genetically pure marble trout with red dots or splotches. The marble troutÂ´s diet changes with age: the smaller fish feed on nymphs principally, and sometimes take emergers or dry flies.