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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Yunnanilus: From Yunnan, city on southwest China; altus: altus (Latin) means high, in allusion to the deep body.
More on authors: Kottelat & Chu.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande. Subtropical
Asia: stream Xiangshuiho at Haijiashao, Yunnan, China.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.1 cm SL hane/ej könsbestämd; (Ref. 12040)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 11 - 13; Mjukstrålar i analfenan: 8. No pores on head; no lateral line; usually 9 1/2 branched dorsal rays; color pattern consisting of minute dark spots, often fused to form irregularly shaped blotches; body depth 25-28% SL; body scaled in front of dorsal fin; 14 branched caudal rays (Ref. 12040).
Inhabits small stream with moderate flowing water. Moves slowly in shoals on the bottom. Feeds on filamentous algae and insects.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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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=0.00724 (0.00347 - 0.01512), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.6 ±0.27 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).