分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水; 半咸淡水 底中水层性. 温带; 48°N - 45°N, 30°E - 41°E
Europe: Northwestern Black Sea basin in estuaries and coastal lakes, Danube, Dniestr, South Bug and Dniepr and their lower reaches.
欧洲: 着, 进入黑海与亚速海之内的聂伯河，南方的虫与 Dneister 河与他们的河口。 可能发现于摩尔多瓦了。 (参考文献 12255)
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. 59043)
背的软条 (总数): 10-13; 臀棘 2; 臀鳍软条: 8 - 11; 脊椎骨: 33. Distinguished from Percarina maeotica by its unique character of having scaleless cheek. Differs further by the combination of the following characters: body and fin membranes almost transparent; back milky white without dark spots; 8-9 greyish round or irregularly-shaped blotches along base of dorsal fins (Ref. 59043).
Occurs in groups in fresh and brackish waters with salinities up to 7 ppt, abundant at depths around 5 m over black mud. Feeds predominantly on benthic invertebrates. Spawns in coastal waters close to river mouths, over mud bottom. Spawning occurs in May-June. More or less abundant in lower reaches of rivers and coastal lagoons but increased salinity resulting from reduced flow in all large rivers, which are now dammed, may pose threat to its population (Ref. 59043).
产卵发生于在六月与七月的前半的 Tagarog 的湾的淡化的部分。 产卵的个体移动外海。 沉性卵在软泥的底部上被直接地存放。 卵是聚集在一起的但是不黏附在底部因为他们变成涂上一层有细小的软泥粒子。 被花鲈捕食。 稚鱼被 chekhon 消费, 成鱼被鲶鱼消费。 (参考文献 2058)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
欧洲: 着, 进入黑海与亚速海之内的聂伯河，南方的虫与 Dneister 河与他们的河口。 可能发现于摩尔多瓦了。 (参考文献 12255)
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
人类利用
渔业: 商业性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00476 - 0.02414), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.37 se; based on food items.
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).
