Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cypriniformes
(Carps) > Cyprinidae
(Minnows or carps) > Leuciscinae
Etymology: Cyprinella: Latin, cyprinus = carp (Ref. 45335); alvarezdelvillari: Named for J. Alvarez del Villar.
Environment / Climate / Range
Freshwater; benthopelagic. Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.4 cm SL male/unsexed; (Ref. 40526)
Morphology | Morphometrics
Eye diameter larger than snout length. Breast naked. Mouth very oblique. Tuberculation heavy especially on central dorsum of pectoral fins of breeding males, on chin, and spineless on lips. Mature breeding males with bronze underparts including fins. Anal and paired fins with white borders. Body dark, including venter, with large, sparse melanophores, most noticeable in mature males. Other sexes with lateral band as wide or wider than eye, especially around midsides in females (Ref. 40526).
Central America: Mexico.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Contreras-Balderas, S. and M. de Lourdes Lozano, 1994. Cyprinella alvarezdelvillari, a new cyprinid fish from Río Nazas of México, with a key to the Lepida clade. Copeia 1994(4):897-906. (Ref. 40526)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00414 - 0.01834), b=3.13 (2.96 - 3.30), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.1 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (11 of 100) .