Gravel chub (Erimystax x-punctatus) COSEWIC assessment and status report: chapter 9
Special Significance of the Species
The Ontario populations were the only representation of the genus Erimystax in Canada and the only evidence for the existence of this species in waters of the Great Lakes basin. Scott and Crossman (1998) suggest that the greatest importance of this species to man may be as an indicator of habitat degradation due to its sensitivity to siltation. Smith (1985) indicated that the species was a good indicator of water quality.
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