Romanogobio kesslerii, Kessler's gudgeon

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Romanogobio kesslerii (Dybowski, 1862)

Kessler's gudgeon
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Image of Romanogobio kesslerii (Kessler\
Romanogobio kesslerii
Picture by Freyhof, J.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cypriniformes (Carps) > Gobionidae (Gudgeons)
Etymology: More on author: Dybowski.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 底中水层性. 溫帶; 52°N - 43°N, 17°E - 30°E

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Europe: Dniestr and tributaries of lower and middle Danube drainage (Black Sea basin); upper Vistula drainage in Poland (Baltic Basin). Systematics of sand gudgeon has not been resolved and several species seem to be confused under the name of Romanogobio kesslerii.
歐洲: 奧地利,保加利亞,克羅埃西亞,捷克,匈牙利,羅馬尼亞,斯洛伐克亞,斯洛維尼亞,南斯拉夫,波蘭,摩爾多瓦與烏克蘭。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 1441); common length : 12.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 1441); 最大年龄: 5 年 (Ref. 59043)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 3; 背的软条 (总数): 8-9; 臀棘 2; 臀鳍软条: 6. Diagnosed from its congeners in Baltic and Black Sea basins by the possession of the following characters: predorsal scales with longitudinal epithelial crests; scale rows between lateral line and pelvic origin 3; scale rows around caudal peduncle 12; dorsal fin with 8½ branched rays; anal fin with 6½ branched rays; eye small, diameter 20-28% HL, 1.0-1.3 times in interorbital distance; body depth 14-21% SL (Ref. 59043).

生物学特性     字汇 (例如 epibenthic)

Adults inhabit fast-flowing piedmont rivers with large areas of sand bottom. They live in groups. Juveniles and adults are active during day. Preyson a variety of benthic invertebrates, usually catching drifting prey. Spawning occurs in shallow areas over gravel, sand or plant material in fast-flowing water. Gradual decline is expected due to on-going economic development. Are sensitive to organic pollution (Ref. 59043).

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Both sexes move to surface or open water to spawn. Eggs are released in successive portions and drift with current, sink to bottom and stick to substrate (Ref. 59043).歐洲: 奧地利,保加利亞,克羅埃西亞,捷克,匈牙利,羅馬尼亞,斯洛伐克亞,斯洛維尼亞,南斯拉夫,波蘭,摩爾多瓦與烏克蘭。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Naseka, A.M. and J. Freyhof, 2004. Romanogobio parvus, a new gudgeon from River Kuban, southern Russia (Cyprinidae, Gobioninae). Ichthyol. Explor. Freshwat. 15(1):17-23. (Ref. 52363)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 05 March 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00290 - 0.01252), b=3.12 (2.95 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
Generation time: 1.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).