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Body grayish black dorsally, milky white ventrally; sometimes with vertical, unclear stripes on sides of body; fins dark gray. Head wide and top flattened; snout bluntly conical and sides of snout with a deep groove between base of rostral barbels and mouth corners. Barbels 2 pairs; rostral slightly shorter than orbital diameter; maxillary somewhat thin. Caudal peduncle compressed; abdomen rounded. Scales on pectoral and abdomen buried in skin. Body shape (shape guide): elongated; Cross section: circular. 身體淺灰色的黑色背面, 乳狀的腹側白色的; 在身體側邊上有時有垂直又不清楚的斑紋; 鰭深灰色。 頭部寬的與頂端平的; 吻鈍地錐形與側邊吻部有在嘴觸鬚與嘴角的基底之間的一個深溝。 觸鬚 2 對; 嘴的略短超過眼窩的直徑; 上頜骨略微細的。 尾柄扁長形的; 腹部圓的。 在胸鰭與腹部上的鱗片埋藏在皮膚之中了。
Wang, S. (ed.), 1998. China red data book of endangered animals. Pisces. National Environmental Protection Agency. Endangered Species Scientific Commision. Science Press, Beijing, China. 247p. (Ref. 45563)
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00381 - 0.01735), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
回復力 (參考文獻 120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref. 59153): Low vulnerability (24 of 100). 🛈
