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Teleostei >
Perciformes/Cottoidei (Sculpins) >
Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335); duranii: Named for Duranius (Durranus, Dordonia, etc.), the Latin name of River Dordogne which is the type locality of the species..
More on authors: Freyhof, Kottelat & Nolte.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 温带
Europe: Upper Dordogne and upper Loire drainages in France. Populations from upper Lot are possibly conspecific.
欧洲: 在法国的上面 Dordogne, 上面的一批与上面的 Loire 流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 10.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 89113)
简单描述
检索表 | 型态特徵 | 形态测量图
臀鳍软条: 12 - 13. Differs from all species of Cottus in Europe by the dorsal fins usually separate in both sexes. Other characters useful to distinguish the species from other Cottus in Atlantic drainages include: relatively elongated body; first dorsal fin low, slightly rounded or regularly slanted; caudal peduncle stout (length 14-20% SL; depth 8-9% SL and 1.5-2.4 times in its length); no prickling in adults; eye diameter 19-26% of HL; interorbital distance 0.9-1.2 times in eye diameter; last anal-fin ray connected to body by a membrane at most along 1/4 of its length; last dorsal-fin ray connected to body by a membrane along 1/2-4/5 of its length; no membrane between pelvic fin and body; pelvic-fin ray 1 straight and slender; lateral line complete (Ref. 55856).
通常在背鳍的欧洲有别于 Cottus 的所有种个别的雄性与雌性都有。 其他的特征有用的区别大西洋的流域的此鱼种与其他的 Cottus 包括: 相当延长了身体; 第一背鳍低的, 略圆的或者经常地使倾斜; 尾柄矮胖的 (长度 14-20% SL; 深度 8-9% SL 与 1.5-2.4 倍于体长); 当成鱼时的没有刺; 眼直径 19-26% 的 HL; 眼间距 0.9-1.2 倍眼直径; 连接到身体的最后臀鳍鳍条经由一个膜最多沿着它的长度中的 1/4; 连接到身体的最后背鳍鰭條經由一個膜沿著 1/2-4/它的長度中的 5; 沒有在腹鰭與身體之間的薄膜; 腹鰭鰭條 1 直線與細長的; 側線完整.(參考文獻 55856)
Inhabits streams with clear, cool, moderate to swift water and stone substrate (Ref. 59043).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
欧洲: 在法国的上面 Dordogne, 上面的一批与上面的 Loire 流域。
Keith, P., H. Persat, E. Feunteun and J. Allardi, 2011. Les poissons d'eau douce de France. Biotope, Mèze; Muséum national d'Histoire naturelle, Paris (collection Inventaires et biodiversité), 552 p. (Ref. 89113)
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Cottus duranii (Chabot d\](/images/thumbnails/gif/tn_COTTIDT0.gif "Image of Cottus duranii (Chabot d\")