**Description:** A small, hardy minnow with a silver-gray body that turns a beautiful pearly-pink during spawning.
**Size:** Typically 2.5 to 3.5 inches long.
**Identification:** Features small, fine scales and a subtle "pearl" sheen on the sides.
**Behavior:** Extreme cold-water specialists that maintain the nutrient balance in the forest's smallest waterways.
**Habitat:** Coldest, most remote headwater reaches of mountain streams.