分類 / Names
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Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335); perifretum: Derived from the Latin fretum (strait [Fretum Gallicum: the English Channel) and the prefix peri- (around), as the species occurs in streams on both sides of the English Channel..
More on authors: Freyhof, Kottelat & Nolte.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Temperate
Europe: Great Britain; Atlantic drainages from Garonne (tributaries draining from Massif Central) to Scheldt in France and Belgium. Also in rivers Mosel and Sieg in Germany. Might also be present in other major Rhine tributaries, the French stretch of the upper Rhine and the lower Meuse. Invasive in Rhine drainage in Germany and the Netherlands, reaching upriver (southwar) to Karlsruhe. This invasive population in the Rhine is an intermediate between Cottus perifretum Cottus rhenanus and forms a distinct genetic group across its whole expansion range.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 13.4 cm TL オス/雌雄の選別がない; (Ref. 88166); 最大記録サイズ: 6 年 (Ref. 59043)
簡単な記述
形態学 | 形態計測学
臀鰭: 11 - 13. Differs from other species of Cottus in the North Sea and Atlantic basins by the combination of the following characters: no distinct transverse bands on pelvic fin; prickling on body extending backwards to caudal peduncle in juveniles and most adults; sometimes absent in large males; first dorsal fin marbled or black in nuptial males; eye diameter 18-21% HL; interorbital distance 0.7-1.9 times in eye diameter; last anal-fin ray connected to body by a membrane along 0.1-0.90 of its length (Ref. 55856).
Occurs in all kinds of streams and rivers including large main rivers, all kinds of shores with coarse gravel or large stones in flowing and stagnant water of rivers, harbors and backwaters (Ref. 55856). Feeds on a wide variety of benthic invertebrates (Ref. 59043).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Freyhof, J., M. Kottelat and A. Nolte, 2005. Taxonomic diversity of European Cottus with description of eight new species (Teleostei: Cottidae). Ichthyol. Explor. Freshwat. 16(2):107-172. (Ref. 55856)
Human uses
より多くの情報
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00571 - 0.01597), b=3.17 (3.02 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
