• Typically less than 75 mm in length
• Snout slightly overhangs the lower jaw.
• Dorsal fin originates in front of the pelvic fins.
• Scales are large; 37-40 along the lateral line.
• Lacks barbels at corners of mouth.
• Grey-brown in colour except when spawning
• Entire body turns brassy colour during spawning period.
• Fathead Minnow an introduced species are commonly mistaken for Brassy Minnows;
• The first (front) ray of the dorsal fin in the Fathead Minnow is half the length of the other rays.
• All rays are similar in Brassy Minnow.
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|Blue List||Not Assessed||None||G5, S2S3|
• Feed on algae, zooplankton, and aquatic insects
• Predators may include introduced and native predatory species of fish and fish-eating birds.
• Mature in 2nd year.
• Extremely tolerant of low dissolved oxygen and high water temperature (to 35 C)
• Also tolerate brackish water.
• Adults creeks, ditches, sloughs and wetlands, usually over mud bottoms and among dense vegetation.
• Spawn in late spring, usually over sand or gravel
• Abundant in the lower Fraser Valley and in the Prince George area, but very rare between.
• Also found in Peace River drainage
• New York, south to Kansas and Missouri and west to Colorado, Wyoming, and Montana and north to southern Canada from Quebec to British Columbia.
• British Columbia and Alberta populations are discontinuous and include more northern areas.
Primary Information Source:
McPhail, J.D. 2007. The Freshwater Fishes of British Columbia. University of Alberta Press. Edmonton, Alberta.