Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Nemacheilidae
Etymology: Yunnanilus: From Yunnan, city on southwest China; parvus: parvus (Latin) means small..
More on authors: Kottelat & Chu.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Subtropical
Asia: Nan Tong in Kaiyuan County, Yunnan, China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.8 cm SL male/unsexed; (Ref. 12040)
Morphology | Morphometrics
soft rays: 8. Lateral line reaching, at most, to the tip of the pectoral fins and with only 7-16 pores; cephalic lateral line pores present; caudal peduncle 0.91-1.23 times longer than deep, its depth 11-13% SL (Ref. 12040).
Found in the cave outlet. Feeds on detritus. A ripe female measuring 3.76 cm SL contains ripe ova, about 1 mm in diameter.
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. 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
): 3.1 ±0.3 se; based on size and trophs of closest relatives
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).