رده بندی / Names
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Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: breviventralis: Named for its short pelvic fin; Noun in apposition.
Eponymy: Lieutenant-Colonel Robert Beresford Seymour Sewell CIE. [...] (Ref. 128868), visit book page.
More on authors: Freyhof & Serov.
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; آب شيرين نزديك كف زي. Tropical
Asia: River Pako in Vietnam.
Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Max length : 5.1 cm SL جنس نر / بدون خواص جنسي; (Ref. 40433)
مهره ها: 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).
Body shape (shape guide): elongated; Cross section: flattened.
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).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00268 - 0.01421), b=3.11 (2.91 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (مرجع
69278): 3.5 ±0.37 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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