Virgin chub

The back, breast, and part of the belly are embedded with small scales, naked in some individuals.

The length of the head divided by the depth of the caudal peduncle typically results in a ratio of 4.0 to 5.0 (rarely exceeding 5.0, which approximates G. elegans).

The Virgin chub is most common in deeper areas where waters are swift, but not turbulent, and most often is associated with boulders or other types of cover.

[3] Activities that are known to be detrimental to Virgin chub populations are the de-watering of habitats through the re-routing of stream water, stream impoundment, channelization, domestic livestock grazing, timber harvesting, mining, road construction, polluting, and stocking non-natives.

Threats: widespread modification and reduction of habitat; dewatering by agricultural diversion; increased temperature, salinity, and turbidity of the Virgin River; introduction of non-native fish and parasite species.