Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cypriniformes
(Carps) > Nemacheilidae
Etymology: Yunnanilus: From Yunnan, city on southwest China; macrogaster: macro (Greek) means large; gaster (Greek) means stomach; an allusion to the large swollen stomach. More on authors: Kottelat & Chu.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Subtropical
Asia: Tatantze, Louping County, Yunnan, China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.1 cm SL male/unsexed; (Ref. 12040)
Morphology | Morphometrics
soft rays: 8. Lateral line short, with 6-10 pores; cephalic lateral line pores present; 8 1/2 branched dorsal rays; caudal peduncle 1.43-1.45 times longer than deep; eye diameter 17-19% dorsal HL; color pattern consisting of a few large spots (about size of eye).
Found in a small marsh with abundant vegetation. Sympatric with Y. niger and Y. paludosus. Feeds on worms and insects.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kottelat, M. and X.L. Chu, 1988. Revision of Yunnanilus with description of a miniature species flock and six new species from China (Cypriniformes: Homalopteridae). Environ. Biol. Fish. 23(1/2):65-93. (Ref. 12040)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates 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 (0.00315 - 0.01450), 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
): 3.1 ±0.33 se; Based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (19 of 100) .