Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Xenocyprididae
(East Asian minnows)
Etymology: Zacco: Because of the Zacco sword of Emperor Leo, used by the Saxons.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Temperate
Asia: Peng-hsien, near Chengtu, Szechwan Province, China (type locality).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref. ); common length : 16.0 cm TL male/unsexed; (Ref. 35840)
Body color dark gray on back; white on belly; with over 10 dark horizontal zones on sides of body and red spots between zones; grayish white on dorsal and caudal fins and green spots scattered on fins; other fins red. Length of head equal to depth of body; lower jaw a bit long and a point inlaying with a dent at front tip of maxilla in center of its front edge; barbel absent (Ref. 45563).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Chen, Y.Y. and X. Chu, 1998. Danioninae. p. 19-61. In Chen, Y.-Y. and et al. (Eds). Fauna Sinica. Osteichthyes. Cypriniformes II. Science Press, Beijing, 531p. (Ref. 33782)
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
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00275 - 0.01263), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec < 10,000).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .