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Sewellia albisuera Freyhof, 2003

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Sewellia albisuera
Picture by Freyhof, J.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cypriniformes (Carps) > Gastromyzontidae (Hillstream loaches)
Etymology: More on author: Freyhof.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 居於水底的. 熱帶

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Asia: Viet Nam.
亞洲: 越南。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 6.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 51729)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背的軟條 (總數) : 11; 臀鰭軟條: 6; 脊椎骨: 31 - 32. Dorsum of head, body and paired fin bases with whitish reticulated or whitish spotted pattern; faint dark grey axial stripe covering three scale rows; skin around lateral line pores whitish; posterior part of pectoral fin with 5-7 faint annular bands; 20-21 branched pelvic fin rays; 49-54+2 lateral line scales; pelvic fin origin below dorsal fin origin; pectoral fin origin posterior to corner of mouth; pelvic fin reaching anal fin origin; small soft elevated patches of fine tubercles on first pectoral fin rays in males; tubercles on simple pectoral fin ray not enlarged; absence of cavity around mouth and absence of skin-fold between oropectoral membrane and ventral surface of head (Ref. 51729).
頭部,身體與偶鰭的背面基底有微白色的網狀或微白色的有斑點的圖案; 模糊的深灰色的軸斑紋覆蓋三鱗片列; 側線孔的周圍皮膚微白色的; 較後面的部分胸鰭有 5-7 模糊的環形條紋; 20-21個分枝的腹鰭鰭條; 49-54+2個側線鱗片; 在背鰭起點之下的腹鰭起點; 胸鰭起源在嘴角後面; 腹鰭達成臀鰭起源; 在雄性中的在第一個胸鰭鰭條上的細小瘤的小軟升高區塊; 在不被增大的單一的胸鰭鰭條上的小瘤; 嘴的周圍缺乏洞而且缺乏皮膚-在 oropectoral 薄膜與頭部的腹面之間摺疊.(參考文獻 51729)

生物學特性     字彙 (例如 epibenthic)

Inhabits rocky rapids and deep pools over sandy substrates. Also found in rocky pools isolated from the main river.

棲息於在沙的底部上的岩石急流且深水池。 也發現於岩石的水池隔離了從主要部份河。

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

亞洲: 越南。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Freyhof, J., 2003. Sewellia albisuera, a new balitorid loach from Central Vietnam (Cypriniformes: Balitoridae). Ichthyol. Explor. Freshwat. 14(3):225-230. (Ref. 51729)

IUCN 瀕危狀態 (Ref. 130435)

  極危 (CR) (A2c+3c; B1b(i,ii)); Date assessed: 04 September 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 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):  3.6   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).