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俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Yunnanilus: From Yunnan, city on southwest China; pachycephalus: From pachy (Greek) which means thick, wide; and cephalus (Greek) which means head; alluding to the large swollen head of some specimens.
More on authors: Kottelat & Chu.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 亞熱帶的
Asia: stream Weizhangho at Yangliu, Yunnan, China.
亞洲: 在楊柳鄉,中國雲南的偉璋河。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 8.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 12040)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 12 - 13; 臀鰭軟條: 8. No lateral line; no head pores; 9 1/2 branched dorsal rays; 14 branched caudal rays; body depth 20-25% SL; dorsal head length 16-21% SL; color pattern usually consisting of large dark spots (Ref. 12040).
沒有側線; 沒有頭部孔; 91/2個分枝的背鰭鰭條; 14 分枝了尾部的鰭條; 體高 20-25% SL; 頭部背面長度 16-21% SL; 通常被包含大的深色斑點的彩色斑紋.(參考文獻 12040)
Inhabits torrential waters under rocks.
棲息於在岩石下面的奔流的水域。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 在楊柳鄉,中國雲南的偉璋河。
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 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 01 March 2007
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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).
營養階層 (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).