Squalius aradensis (Coelho, Bogutskaya, Rodrigues & Collares-Pereira, 1998)
Squalius aradensis
photo by Pires, D.

Family:  Leuciscidae (Minnows), subfamily: Leuciscinae
Max. size:  13.1 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Europe: Arade, Algibre and Bordeira basins in the extreme south of Portugal (Ref. 28035). Reported from the Iberian Peninsula, Spain (Ref. 119049).
Diagnosis:  Dorsal spines (total): 3-3; Dorsal soft rays (total): 8-8; Anal spines: 3-3; Anal soft rays: 7-8; Vertebrae: 37-38. Diagnosed from its congeners in Iberian Peninsula by having the following characters: infraorbitals 4 and 5 very large, completely fused; 33-40 + 2 scales on lateral line; snout rounded; mouth subterminal, upper jaw projecting; head length less than body depth; and 2½ -3 scale rows between lateral line and pelvic fin origin (Ref. 59043). Preopercular-mandibular canal communicates with infraorbital canal (Ref. 28035).
Biology:  An ubiquitous species which inhabits small to medium sized streams with Mediterranean water regime. May be restricted to very small pools during summer. Breeds in shallow riffle habitats in fast-flowing water (Ref. 59043).
IUCN Red List Status: Vulnerable (VU); Date assessed: 31 January 2006 (B2ab(iii,v)) Ref. (130435)
Threat to humans:  harmless


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