Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Nemacheilidae
Etymology: Yunnanilus: From Yunnan, city on southwest China.
More on author: Regan.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Subtropical; 25°N - 24°N
Asia: known only from Dianchi Lake, Yunnan, China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.7 cm SL male/unsexed; (Ref. 12040)
Morphology | Morphometrics
soft rays: 8. Distinguished from all other species of the genus by its terminal mouth with an upwardly directed gape; absence of lateral line and head pores; scaled predorsal area; 8 1/2 branched dorsal rays; 14 branched caudal rays (Ref. 12040).
Adults inhabit shallow waters of lake (less than 1 m deep) among vegetation, but not in inlets or outlets of the lake. Feed on shrimps (Ref. 12040).
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. Fishes 23(1-2):65-93. (Ref. 12040)
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
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00332 - 0.01444), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.6 ±0.59 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .