Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Cypriniformes
(Carps) > Nemacheilidae
Etymology: Oreonectes: Greek, oreos = mountain + Greek, nekton = swimmer (Ref. 45335); polystigmus: Derived from the Greek poly and stigma, meaning numerous marks, in reference to the presence of numerous dark brown spots on the body of this species..
More on authors: Du, Chen & Yang.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
Asia: Dabu Village, Guilin City in Guangxi Zhuang Autonomous Region, China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.8 cm SL male/unsexed; (Ref. 75196)
Morphology | Morphometrics
soft rays: 7;
Vertebrae: 34 - 37. Diagnosed by the following characters: anterior and posterior nostrils separated by short distance; anterior nostril elongated into barbel-like structure; tip of anterior nostril extending middle of posterior nostril; caudal fin rounded; body and belly completely with scales; incomplete lateral line with 6-8 pores; cephalic lateral-line system with 7 supraorbital, 4 +7 infraorbital pores; exhibits sexual dimorphism with males having genital papilla located immediately posterior to anus; gonads opens at end of fleshy prominence (Ref. 75196).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Du, L.-N., X.-Y. Chen and J.-X. Yang, 2008. A review of the nemacheilinae genus Oreonectes Günther with descriptions of two new species (Teleostei: Balitoridae). Zootaxa 1729:23-36. (Ref. 75196)
IUCN Red List Status (Ref. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00339 - 0.01477), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.8 ±0.3 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 (10 of 100).