Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Subtropical
Europe: Adriatic basin from Brenta to Vomano drainages (Italy, Switzerland); Tyrrhenian basin from Bevera (French-Italian border) to Volturno drainages (Italy). Introduced to Liguria and southern Italy.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.0 cm SL male/unsexed; (Ref. 59043)
Morphology | Morphometrics
Diagnosed from its congeners by having the following characters: conspicuous black midlateral stripe and conspicuous black line along lateral line in preserved individuals; in life, broad gold-orange stripe; lateral line yellow, bordered on echo side by a narrow black line; 43-49 + 2-3 scales along lateral line; 3½ scale rows between lateral line and pelvic origin; anal fin with 8½ branched rays; tip of snout rounded, snout projecting beyond tip of upper lip; and eye diameter 3.3-3.6 times in HL (Ref. 59043).
Occurs in main rivers and small streams (Ref. 45688). Prefers to inhabit streams of piedmont and hilly areas, with moderately cold water, but may be found in most habitats. Feeds predominantly on aquatic invertebrates, also on epilithic algae. Spawns in areas with swift, shallow waters (Ref. 59043).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
IUCN Red List Status (Ref. 125652)
Threat to humans
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=0.00794 (0.00365 - 0.01726), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this Subfamily-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 to moderate vulnerability (29 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .