分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Sisoridae (Sisorid catfishes)
吸口鯰科 (Sisorid catfishes) > Glyptosterninae
Etymology: Pseudexostoma: Greek, pseudes = false + Greek, exo = outside + Greek, stoma = mouth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 溫帶
Asia: known only from the upper Dayinjiang (an upper branch of the Irrawaddy River), China.
亞洲: 已知只來自上面的 Dayinjiang(依洛瓦底江的一個上面分支) ，中國了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 11.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 57980)
簡短描述
型態特徵 | 形態測量圖
背的軟條 (總數): 5; 臀鰭軟條: 3 - 4. This species is distinguished from Pseudexostoma brachysoma and P. longipterus by the following characters: posterior margin of lower lip with 3 notches, depth of middle one the same as lateral ones lateral ones (vs. shallower), length of 2 smaller median lobes of lower lip the same length as lateral lobes (vs. longer); pelvic fin I, 1-5 (vs. I, 3-4); base iof adipose fin shorter, 28.8-39.8% SL (vs. 36.1-46.0); caudal peduncle deeper, depth 6.4-8.3% SL, 32.6-42.7% in length of caudal peduncle (vs. 4.2-6.9 in depth and 20-33.7 in length); premaxillary tooth band with 18-22 teeth (vs. 16-18), it is divided into 2 and are connected partially (vs. isolated) (Ref. 57980).
這種在特徵之後被與 Pseudexostoma brachysoma 與 P. longipterus 區分藉由: 下唇的後緣相同於側面的一些側部一些 (vs. 比較水淺的) 有三個凹槽，中央的深度一, 下唇如同側葉一般的長度 2個比較小的中央葉的長度;(vs. 比較長的) 腹鰭 I, 1-5;(vs. I, 3-4) 基底 iof 脂鰭比較短的, 28.8-39.8% SL;(vs.36.1-46.0) 尾柄比較深的, 深度 6.4-8.3% SL, 尾柄的 32.6-42.7% 長;(vs.4.2-6.9 分之一深度與 20-33.7個長) 具有 18-22個齒 (vs.16-18) 的上頜骨前的齒箍, 它被分開成 2 而且部份地 (vs. 孤立的) 被連接.(參考文獻 57980)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
亞洲: 已知只來自上面的 Dayinjiang(依洛瓦底江的一個上面分支) ，中國了。
Zhou, W., Y. Yang, X. Li and M.-H. Li, 2007. Review of the catfish genus Pseudexostoma (Siluriformes: Sisoridae) with description of a new species from the Upper Salween (Nujiang) Basin of China. Raffles Bull. Zool. 55 (1):147-155. (Ref. 57980)
人類使用
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00260 - 0.01333), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.4 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).
