Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cypriniformes
(Carps) > Nemacheilidae
Etymology: Oreonectes: Greek, oreos = mountain + Greek, nekton = swimmer (Ref. 45335); microphthalmus: Derived from the Greek micron (small), and phthalm (eye). More on authors: Du, Chen & Yang.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
Asia: Du'an County in Guangxi Zhuang Autonomous Region, China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.7 cm SL male/unsexed; (Ref. 75196)
Morphology | Morphometrics
soft rays: 9. Diagnosed by the following characters: body and snout elongate; eyes reduced to a black pigment; body without scales; cephalic lateral line system with 2 + 2 supratemporal, 7 supraorbital, 3 + 0 infraorbital and 8 preoperculomandibular pores; incomplete lateral line with 3 pores (Ref. 75196).
Inhabits caves (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. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg 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=0.00676 (0.00311 - 0.01469), b=3.01 (2.83 - 3.19), 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. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (12 of 100) .