Richardsonius balteatus

Identification Tips:

• Small body size, typically (<150 mm) • Deep, laterally compressed body shape • Deeply forked caudal fin. • Dorsal fin lies well behind the pelvic fins and is directly above front portion of anal fin • Anal fin large (10-22) rays • Flanks of males turn bright red during spawning period.

Conservation Status:

British ColumbiaCanadaNatureserve
COSEWICSpecies at Risk Act
Not at Risk (Yellow List)Not AssessedNoneG5, S5

Information Source: BC Conservation Data Centre:

Life History:

• Form schools
• Spawning occurs from May to July.
• Females lay eggs over a period of several days over gravel sand or in vegetation.
• Lake populations may migrate to inlet streams to spawn.
• Sexually mature in 2nd or 3rd year and live about 5 years.
• Feeds on aquatic and terrestrial insects, molluscs, plankton, small fish and fish eggs.
• Fry eat zooplankton and algae.


• Found in slow moving or still water in lakes, ponds, ditches, sloughs creeks, and small rivers,
• Usually over mud or sand and often near vegetation
• May move to deeper water at night and in winter in lakes.


British Columbia
• Throughout Fraser, Columbia, Peace and Nass drainages

• British Columbia, Northern Alberta, Oregon, Idaho, Nevada and Wyoming, Utah

Primary Information Source:
McPhail, J.D. 2007. The Freshwater Fishes of British Columbia. University of Alberta Press. Edmonton, Alberta.