Lethenteron ninae Naseka, Tuniyev & Renaud, 2009
Western Transcaucasian lamprey
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Petromyzonti > Petromyzontiformes (Lampreys) > Petromyzontidae (Northern lampreys) > Lampetrinae
Etymology: Lethenteron: Etymology not explained, perhaps lethalis (L.), lethal, or lethe (Gr.), forgetting or forgetfulness; enteron (Gr.) intestine, presumably referring to “degenerate and non-functional” intestine of adult L. appendix (See ETYFish); ninae: In honor of ichthyologist Nina G. Bogutskaya (b. 1958), Russian Academy of Sciences, for her contribution to the knowledge of Eurasian freshwater fishes [placed in Lampetra and by some workers] (See ETYFish).
Eponymy: Dr Nina Gidalevna Bogutskaya (d: 1958) is a Russian ichthyologist who has chiefly focused on cypriniform fish. [...] (Ref. 128868), visit book page.
Etymology: Lethenteron: Etymology not explained, perhaps lethalis (L.), lethal, or lethe (Gr.), forgetting or forgetfulness; enteron (Gr.) intestine, presumably referring to “degenerate and non-functional” intestine of adult L. appendix (See ETYFish); ninae: In honor of ichthyologist Nina G. Bogutskaya (b. 1958), Russian Academy of Sciences, for her contribution to the knowledge of Eurasian freshwater fishes [placed in Lampetra and by some workers] (See ETYFish).
Eponymy: Dr Nina Gidalevna Bogutskaya (d: 1958) is a Russian ichthyologist who has chiefly focused on cypriniform fish. [...] (Ref. 128868), visit book page.
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
; 淡水 居于水底的; 深度上下限 0 - ? m (Ref. 89241).
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Eurasia: rivers of the Black Sea coast in Russia and Abkhazia in Georgia (from west to east): Psezuapse, Shakhe, Mzymta, Psou (Chakhtsutsyr Stream), Bzyb’, and Mokva. Berg (1948) reports ammocoetes from near Novorossiysk that he assigns to E. mariae, but these may belong to L. ninae.
大小 / 重量 / 年龄
简单描述 检索表 | 型态特徵 | 形态测量图
Adults: 13.06-16.6 cm TL. Body proportions, as percentage of TL (based on 12 recently metamorphosed specimens measuring 13.06-16.6 cm TL): prebranchial length, 8.7-13.1; branchial length, 9.6-10.9; trunk length, 50.1-53.6; tail length, 25.7-29.2; eye length, 1.4-2.0; disc length, 3.8-5.2; prenostril length, 4.0-6.0; snout length, 4.8-6.9; postocular length, 2.7-3.6. Trunk myomeres, 58-62. Dentition: supraoral lamina, 2 unicuspid teeth; infraoral lamina, 5-7 mostly unicuspid teeth, but 1-2 may be bicuspid; 3 endolateral teeth on each side; endolateral formula, typically 2-2-2, but 2-3-2 (20% of cases) and 2-2-3 (15%) also occur; 1-2 rows of anterials; first row of anterials, 5-7 unicuspid teeth; exolaterals absent; first posterial row absent (27% of cases) or present in a single incomplete row consisting of 3-7 mostly unicuspid teeth, but 1-2 may be bicuspid; transverse lingual lamina, 9-15 unicuspid teeth, the median one greatly enlarged; longitudinal lingual laminae straight, each with 5-9 unicuspid teeth. Velar tentacles, 7; the median one shorter than the adjacent lateral ones and the tentacles have tubercles on their dorsal aspect. There are no velar wings. Body coloration (live and freshly preserved) is gray on the dorsal aspect and lighter on the ventral aspect and without mottling. Dark blotch near apex of second dorsal fin. Lateral line neuromasts darkly pigmented on the ventral surface and prebranchial region in some individuals but unpigmented in others. Extent of caudal fin pigmentation, 1% to <75%. Caudal fin shape, rounded or spade-like. Oral fimbriae, 69-99 (Ref. 89241). Also Ref. 82201..
Body shape (shape guide): eel-like.
Body shape (shape guide): eel-like.
Freshwater. Ammocoetes live in silt, sand or fine pebble substrate in the middle and lower sections of rivers where the current is absent or slow, at water depths of 10-50 cm, among submerged plants (Rumex acetosella, Polygonum sp., Juncus sp.). Adults are also found in the same general habitat as both life stages are commonly caught together. Metamorphosis is believed to occur prior to mid-September when fully metamorphosed individuals were first caught. Adults are nonparasitic. The spawning period is undetermined (Ref. 89241)..
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 | 合作者
Naseka, A.M., S.B. Tuniyev and C.B. Renaud, 2009. Lethenteron ninae, a new nonparasitic lamprey species from the north-eastern Black Sea basin (Petromyzontiformes: Petromyzontidae). Zootaxa 2198:16-26. (Ref. 82201)
CITES
Not Evaluated
对人类的威胁
人类利用
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游泳类型
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遗传学
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基于模型的估算
系统发育多样性指数 (参考文献 82804): PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00132 (0.00060 - 0.00290), b=2.99 (2.80 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (参考文献 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回复力 (参考文献 120179): 低的, 最小族群倍增时间4.5 - 14 年 (Semelparous species, assuming tm (= tmax) > 4).