Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Leuciscidae
(Minnows) > Leuciscinae
Etymology: laietanus: Named after the Laietani, a Bronze-Age tribe inhabiting an area partly corresponding to present Catalonia, and later Lalatania, a Roman province..
More on authors: Doadrio, Kottelat & deSostoa.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Subtropical
Europe: Ebro to Port Bou drainages in Spain; Tech and Agly drainages in France (Ref. 75108), possibly also Aude (Languedoc-Roussillon); possible introgression with Squalius cephalus in southern Garonne tributaries and Adour drainage (Ref. 59043).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 13.5 cm SL male/unsexed; (Ref. 75108); 20.1 cm SL (female)
Morphology | Morphometrics
soft rays: 10 - 12. Differs from congeners in Europe by a combination of the following characters: mouth slightly subinferior, with a slightly projecting upper lip and the tip of the lower jaw included in the upper lip; flank scales margined by a band of black pigments along their free margin, forming a regular reticulate pattern; presence of brown pigments on the inner area of the scales, especially on the upper half of the flank; brown pigments situated on the dermis under the scale, more densely set on the upper and lower extremity of the exposed part, and the pigment patches often appearing as faint longitudinal stripes between scale rows; no or little marked discontinuity between dorsal profile of head and trunk; dorso-hypural distance falling at or behind posterior margin of eye when reported forwards; lateral line scales 44-47 + 1-2; dorsal fin with 8½ branched rays; in stretched anal fin of specimens larger than about 15 cm SL, the distance between the tips of the first and the last branched rays is about equal to the depth of the caudal peduncle (Ref. 75108).
Occurs in streams with clear water, gravel bottom and prefers moderate flowing stretches (Ref. 75108).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Doadrio, I., M. Kottelat and A. de Sostoa, 2007. Squalius laietanus, a new species of cyprinid fish from north-eastern Spain and southern France (Teleostei: Cyprinidae). Ichthyol. Explor. Freshwat. 18(3):247-256. (Ref. 75108)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00406 - 0.01629), b=3.13 (2.97 - 3.29), in cm total length, based on LWR estimates for this Genus-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (15 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .