General Appearance:
* Slender, torpedo-shaped body: Similar to other trout species, they have a streamlined shape for efficient swimming.
* Average size: Typically 12-20 inches long, with some reaching up to 30 inches.
* Coloration: The overall color varies by habitat, but generally:
* Back: Olive green to dark brown
* Sides: Silver to golden, with dark spots and vermiculations (worm-like markings)
* Belly: White to pale yellow
* Fins: Clear to slightly yellowish, with dark edges.
Distinguishing Features:
* Throat patch: The most noticeable feature, a bright reddish-orange patch on the lower jaw, just below the mouth.
* Black spots: Found on the body, fins, and tail.
* Reddish-orange or yellow margins: Present on the fins, especially the tail fin.
Variations:
* Rainbow cutthroat trout: Have a distinctive rainbow-colored band along the sides.
* Coastal cutthroat trout: Found in coastal waters, tend to have a more silver body and darker spots.
* Westslope cutthroat trout: Have a more pronounced throat patch and are often larger than other varieties.
Overall, cutthroat trout are beautiful and distinctive fish with a unique combination of colors and markings. Their colorful throat patch and slim body make them easily recognizable among other trout species.