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Yaoshania pachychilus  (Chen, 1980)

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Yaoshania pachychilus
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Balitoridae (River loaches)
Etymology: Yaoshania: Derived from the Dayaoshan, the mountain from where the type species was recorded..

Environment / Climate / Range Ecology

Freshwater; demersal.   Subtropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Meicun, Changtan and Dishui streams on Dayaoshan Mountain in Guangxi, China.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 5.8 cm SL male/unsexed; (Ref. 45625)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 10; Anal soft rays: 8. Can be diagnosed from other Balitorid species by a unique enlarged lip lamina at angle of mouth, connecting the upper lip and maxillary. Additional characters useful to distinguish this species, but not unique to it include the following: large gill opening, with the ventral extremity reaching lower extremity of pectoral-fin base; upper lip and rostral fold separated by a groove, rostral fold with four notches to accommodate rostral barbels; two pairs of rostral barbels and one pair of maxillary barbels; a small fleshy lobe present posterior to each maxillary barbel; pectoral fin with one simple and 17-18 branched rays; pelvic fin with one simple and 8-9 branched rays; side of body lacking vertical blotches in adult; 71-75 lateral line scales (Ref. 93072).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Yang, J., M. Kottelat, J.-X. Yang and X.-Y. Chen, 2012. Yaoshania and Erromyzon kalotaenia, a new genus and species of balitorid loaches for Guangxi, China (Teleostei: Cypriniformes). Zootaxa 3586:173-186. (Ref. 93072)

IUCN Red List Status (Ref. 109396)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00227 - 0.01215), b=3.11 (2.90 - 3.32), based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.9   ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .