分类 / Names
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Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Leuciscinae
Etymology: Chondrostoma: Greek, chondros = cartilage + Greek, stoma = mouth (Ref. 45335). Name referring to the characteristic horny layer on the lower lip (Ref. 57917).
More on author: Bonaparte.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 底中水层性. 溫帶; 47°N - 43°N, 7°E - 14°E
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国家 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Europe: Adriatic basin from Soca to Po drainages (Slovenia, Italy). Introduced to central Italy.
歐洲: 義大利北部。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 45.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 556)
Diagnosed from other species of Chondrostoma and Protochondrostoma genei in Apennine Peninsula by having the following characters: side lacking broad dark midlateral stripe; body deep, depth 25-34% SL; straight mouth, lower lip with thick cornified sheath; scales on lateral line 54-62; anal fin with 11-13½ branched rays; and 24-29 gill rakers (Ref. 59043).
Body shape (shape guide): elongated.
Gregarious. Inhabits lakes and lower reaches of main rivers with moderate current, in deep water, over gravel bottom (Ref. 59043). A long-lived species reported to occur in the middle reach of rivers. Feeds on invertebrates and plants. Spawns in April and May. Threatened due to the introduction of other species (Ref. 26100). Declined in large lowland rivers due to habitat alterations (Ref. 59043).
出现于河的中央范围中的一个长命的种。 吃无脊椎动物与植物。 产卵在四月与五月。 受到威胁的由于其他鱼种的引入。 (参考文献 26100).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Large groups undertakes spawning migrations to smaller tributaries in April-May. Deposit eggs in gravel and in current near shore (Ref. 59043).歐洲: 義大利北部。
Elvira, B., 1997. Taxonomy of the genus Chondrostoma (Osteichthyes, Cyprinidae): an updated review. Folia Zool. 46 (Suppl. 1):1-14. (Ref. 27763)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
极度濒危 (CR) (A2ace); Date assessed: 05 May 2023
人类利用
渔业: 低经济
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00374 - 0.01767), b=3.10 (2.92 - 3.28), 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): 2.8 ±0.30 se; based on food items.
回复力 (参考文献
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (35 of 100).
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