分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: breviventralis: Named for its short pelvic fin; Noun in apposition..
More on authors: Freyhof & Serov.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
Asia: River Pako in Vietnam.
亞洲: 在越南的河 Pako。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 40433)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
脊椎骨: 35. Absence of dark stripes on body; absence of concentric bands on paired fins. Pelvic fin reaching 5-40% of distance between anus and anal-fin origin. No cavity around the mouth, skin-fold between oropectoral membrane and ventral surface of head running from pectoral-fin origin to second rostral barbel. Tubercles on dorsal part of head concentrated on tip of snout; 15-21 large tubercles on branched pectoral-fin rays. General appearance elongated. Lateral line with 58-64 scales (Ref. 40433).
沒有身體上有深色斑紋; 在偶鰭上缺乏同中心的條紋。 腹鰭達到 5-40% 的肛門與臀鰭起源之間的距離。 嘴巴的周圍沒有洞, 皮膚-在 oropectoral 薄膜與從對第二的嘴觸鬚的胸鰭起源延續的頭部的腹面之間摺疊。 在頭部的背部部份上的小瘤專注於吻尖了; 在分枝的胸鰭鰭條上的 15-21個大的瘤結。 一般的外表延長。 側線有 58-64個鱗片。 (參考文獻 40433)
描述: 背鰭有 3 單一的與 8個分支條; 臀鰭有 2 單一的與 4個分支條; 胸鰭有 1 單一的與 23-24個分支條; 腹鰭有 1 單一的與 19-20個分支條.(參考文獻 40433)
Very rheophilous, caught in only in rapids with current velocity exceeding 1 m/sec together with other rheophilous fish such as species of Garra, Annamia, Hemimyzon, Homaloptera, Schistura and Nemacheilus. Feeds on aquatic invertebrates (Ref. 40433).
非常喜愛急流的, 在只在中捕獲迅速的且水流速度超過 1 公尺/秒的地方伴隨著其他的喜愛急流的魚種例如 Garra ， Annamia ， Hemimyzon ， Homaloptera, Schistura 與 Nemacheilus. 吃水生無脊椎動物。 (參考文獻 40433)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
亞洲: 在越南的河 Pako。
Freyhof, J. and D.V. Serov, 2000. Review of the genus Sewellia with description of two new species from Vietnam (Cypriniformes: Balitoridae). Ichthyol. Explor. Freshwat. 11(3):217-240. (Ref. 40433)
IUCN 瀕危狀態 (Ref. 130435)
極危 (CR) (A2ac); Date assessed: 04 September 2010
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00256 - 0.01420), b=3.11 (2.90 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.37 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
