Teleostei (teleosts) >
Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
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
Ecology
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)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 11 - 12; Anal 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
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | 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. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00336 - 0.01491), 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 ±0.33 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).