分类 / Names
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Petromyzonti >
Petromyzontiformes (Lampreys) >
Petromyzontidae (Northern lampreys) > Lampetrinae
Etymology: Eudontomyzon: eu-, a Greek intensive (good, well or very); odontos (Gr.) tooth, referring to numerous radially arranged teeth of E. danfordi; myzon (Gr.), to suck (borrowed from Petromyzon), referring to their suctorial behavior (See ETYFish); vladykovi: Patronym not identified but clearly in honor of lamprey biologist Vadim D. Vladykov (1898-1986) (See ETYFish).
Eponymy: Dr Vadim Dimitrievitch Vladykov (1898–1986) was a Ukrainian-born Canadian zoologist. [...] (Ref. 128868), visit book page.
Issue
This species is questionably a junior synonym of Eudontomyzon mariae (Berg, 1931) in Renaud (2011; Re. 89241:41). Please send references, or more studies are needed. Considered a subspecies of Eudontomyzon mariae by authors (Ref. 12283).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 溫帶; 50°N - 43°N, 13°E - 27°E (Ref. 59043)
Europe: Upper and middle Danube drainage: Sava, Drava systems and west Drava tributaries; lower Danube drainage. Locally present in Timis and Olt systems. Not recorded from Tisza and Cerna systems.
歐洲: Donau 與它的支流。 被認為是一個 烏克蘭雙齒七鰓鰻〔Eudontomyzon mariae〕 的亞種由命名者了。 (參考文獻 12283)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 21.2 cm TL 雄鱼/尚未辨别雌雄; (Ref. 59043); common length : 18.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 556)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 0. With 61 - 67 trunk myomeres; trunk not mottled in live ammocoetes. The caudal fin is hyaline, of a spade-like shape.
Adults inhabit clear, well-oxygenated brooks in piedmont and mountain zones. They are non-parasitic and remain in freshwater. Ammocoetes live in detritus-rich sands or clay sediments. Ammocoete stage lasts 3.5-4.5 years. Ammocoetes feed on detritus and micro-organisms. They metamorphose in July - September and spawn in March - May. Males dig shallow nests in habitats with moderate currents (Ref. 59043). Males and females die after spawning.
非寄生。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Males dig shallow nests in habitats with moderate current. Spawning occurs when temperature reach 7-10°C at higher elevations (Ref. 59043).歐洲: Donau 與它的支流。 被認為是一個 烏克蘭雙齒七鰓鰻〔Eudontomyzon mariae〕 的亞種由命名者了。 (參考文獻 12283)
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
渔业: 没有兴趣
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特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00138 (0.00062 - 0.00310), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Semelparous species, assuming tm (= tmax) > 4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
