Cutthroat Trout

scientific name

Oncorhynchus clarki

size

up to 16" most habitats " perhaps larger in some lakes

characteristics

needs precise water conditions - cool temp, no pollution, & abundant food " "lateral line" is row of sense organs on sides

reproduction/life span

Eggs. female lays " male spreads sperm over them ("spawning") " spring

diet

Wild. any animal small enough to be swallowed whole & aquatic insect larvae
Zoo. insects & trout chow

habitat/range

native to North America west of Rocky Mountains " now introduced to many parts of world, often to detriment of local fauna " spawn in streams of the Pacific Northwest " landlocked populations in many inland waters " sea run cutthroat larger

status

portion of wild native population classified by ODFW as sensitive " one of most highly sought game fish " hatcheries use less cutthroat trout than rainbow trout " diminishing wild population due to habitat loss

oregon zoo exhibit

Cascades

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