| Family: |
Leuciscidae (Minnows), subfamily: Pogonichthyinae |
| Max. size: |
7.6 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
North America: Devils River and San Felipe Creek in Texas, USA. |
| Diagnosis: |
Dionda argentosa is genetically distinct but morphologically indistinguishable from Guadalupe roundnose minnow, D. nigrotaeniata (Ref. 86798). |
| Biology: |
Inhabits rocky pools, sometimes runs, of headwaters, creeks, and small rivers. Found among filamentous algae (Ref. 86798). |
| IUCN Red List Status: |
Endangered (EN); Date assessed: 05 September 2018 (B2ab(iii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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