Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Temperate; 45°N - 40°N, 15°E - 21°E
Europe: lakes and mostly still water of rivers of the Adriatic drainages, from Croatia to Montenegro and Albania.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 23.3 cm TL male/unsexed; (Ref. 91127)
Morphology | Morphometrics
soft rays: 11. Leucos basak is distinguished from other congeners by the following characters: moderate size, usually 12.0-14.0 cm SL; lack of a mid-lateral band; body uniformly silvery in life; peritoneal membrane black; usually 36-38 pored scales on lateral line (vs. 38-43 in the other congeners). It differs from Leucos aula by the absence of lateral band and black peritoneal membrane (vs. silvery in L. aula); from L. panosi and L. ylikiensis mainly by having usually 9-10 gill rakes (vs. 18-20 in L. ylikiensis and 13-14 in L. panosi). Leucos basak is most closely related to L. albus based on molecular analyses but differs from this species by having 36-38 scales on lateral line (vs. usually 41-42 in L. albus); 9 branched dorsal rays (vs. 8 in L. albus); and blackish peritoneal membrane (vs. nearly silvery in L. albus) (Ref. 96829).
Occurs in a wide range of habitats such as warm streams and rivers with moderate to slow current, lakes, backwaters, swampy areas, and artificial water bodies (Ref. 59043). Sympatric with Leucos albus in Lake Skadar (Ref. 96829). Feeds on plankton and plant material. Spawns over gravel and stones and in flooded areas and lakes. Eggs are sticky, yellow-orange which hatch in 9 days at 13-17°C (Ref. 59043).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Bianco, P.G. and V. Ketmaier, 2014. A revision of the Rutilus complex from Mediterranean Europe with description of a new genus, Sarmarutilus, and a new species, Rutilus stoumboudae (Teleostei: Cyprinidae). Zootaxa 3481(3):379-402. (Ref. 96829)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00470 - 0.01224), b=3.18 (3.05 - 3.31), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 2.9 ±0.1 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.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (35 of 100) .