| Family: |
Leuciscidae (Minnows), subfamily: Leuciscinae |
| Max. size: |
6.82 cm SL (male/unsexed); 8.06 cm SL (female) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
Europe: Huebra, Turones and Uces rivers and their tributaries in the Duero basin, Spain. |
| Diagnosis: |
Dorsal spines (total): 2-3; Dorsal soft rays (total): 6-7; Anal spines: 2-3; Anal soft rays: 6-7. Distinguished from all congeners by the following combination of characters: dorsal and anal fins with seven branched rays; pharyngeal teeth 5-5; narrow caudal peduncle; number of gill rakers 15-22 (mean = 18.4); lateral line scales 44-53 (mean = 49.1); scales on upper transverse line 9-10 (mean = 9.6); scales on lower transverse line 4-6 (mean = 5.5); four diagnostic isozyme loci (IDHP-2*, IDHP-3*, MDH-B* and PEP*) and one unique allele (MDHA*
95) (Ref. 75032). |
| Biology: |
Occurs in seasonal streams with clear waters, sandy bottoms and prefers slow flowing reaches with abundant aquatic macrophytes (Ref. 75032). |
| IUCN Red List Status: |
Endangered (EN); Date assessed: 05 August 2010 (B1ab(ii,v)+2ab(ii,v)) Ref. (130435)
|
| Threat to humans: |
harmless |
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