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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
Écologie
; eau douce démersal. Subtropical
Asia: stream Xiangshuiho at Haijiashao, Yunnan, China.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 7.1 cm SL mâle / non sexé; (Ref. 12040)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 11 - 13; Rayons mous anaux: 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
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
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Sources Internet
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).
Niveau trophique (Ref.
69278): 2.6 ±0.27 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).