Countless different types of genetic variations of brown trout can be found all over Slovenia. The pure brown trout is now very rare, reason for this is stocking of different types of brown trout and mixing with marble trout to produce hybrid trout. Their colors and patterns change from fish to fish sometimes creating patterns of exquisite beauty.

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• Fishing season: March - October

• Spawning time: October - January
• Brown trout and hybrids can grow up to 100 cm (40 inches), 15 kilos (35 pounds )