IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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Biology

Inhabits hilltop lakes and streams, but is no longer known from its type localities. Individuals spawn once per reproductive season that extends from early June to late July or early August. Preferentially use ephemeral streams for spawning. Arrival at streams is episodic, correlating to precipitation events and appropriate flow. Stream temperature appears to be less important a cue for reproductive behavior than other Catostomus. Females always have pearl organs when in breeding condition; retain drab coloration when spawning. Males develop a gold longitudinal stripe, small gold-colored patch above each eye, and are extensively covered in pearl organs when in breeding condition. Both sexes start to reach sexual maturity at about 4 years. Eggs are about 3mm in diameter (Ref. 83995).

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© FishBase

Source: FishBase

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