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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Yunnanilus: From Yunnan, city on southwest China; niulanensis: The specific name alludes to the type locality, the Niulanjiang River.
More on authors: Chen, Yang & Yang.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce démersal. Tropical
Asia: Yanglinhe River, a tributary of the Niulanjiang River in Yunnan, China.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 5.5 cm SL mâle / non sexé; (Ref. 89956)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 12; Rayons mous anaux: 8. Distinguished from other species of Yunnanilus by the following combination of characters: dorsal-fin rays iii, 9; anal-fin rays iii, 5; pectoral-fin rays i, 11; pelvic-fin rays i, 7-8; branched caudal-fin rays 14; mouth subterminal; 9-11 gill rakers in the inner side of the first gill arch, outer row of gill rakers absent; upper two-thirds of body and head covered by large brown spots; fins hyaline; body covered with scales; no lateral line; no cephalic sensory pores; caudal peduncle length less than caudal peduncle depth; caudal peduncle length 9.2-11.1% SL; body depth 21.0-25.8 % SL; eye diameter 5.4-6.0 % SL; interorbital width 9.9-12.1 % SL (Ref. 89956).
Body shape (shape guide): elongated.
Occurs in Yanglinhe River , China with altitude of 1909 m and with slow flowing and clear water. The stream of the type locality has sandy or a little muddy substrate (Ref. 89956).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Chen, Z., J. Yang and J. Yang, 2012. Description of a new species of the genus Yunnanilus Nichols, 1925 (Teleostei: Nemacheilidae) from Yunnan, China. Zootaxa 3269:57-64. (Ref. 89956)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00724 (0.00347 - 0.01512), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.1 ±0.3 se; based on size and trophs of closest relatives |
Vulnérabilité de la pêche (Ref. 59153) |
Low to moderate vulnerability (31 of 100). 🛈 |