分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Leuciscinae
Etymology: Pseudochondrostoma: Name refers to its morphological similarity with the genus Chondrostoma as a consequence of homoplasy in multiple traits.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 溫帶
Europe: Iberian Peninsula from Douro drainage to Galicia.
歐洲: 伊伯利亞的半島西北部; 主要部份河流域包括 Eo ， Masma ， Oro ， Eume ， Allones ， Donas ， Tambre ， Ulla ， Umia ， Minho ， Limia ， Cavado ， Ave 與 Douro 。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 59043)
Diagnosed from its congeners by having the following characters: slightly arched lower jaw edge; 60-70 + 3-4 scales on lateral line; anal fin usually with 8½ branched rays; 18-24 gill rakers; 5-5 pharyngeal teeth; caudal peduncle depth 1.9-2.1 times in its length; and upper half of body with numerous small black dots for individuals from Portugal and Galicia (Ref. 59043).
Found in the middle stretches of rivers, in areas with current. Feeds on vegetal matter, supplemented by small invertebrates and detritus. Occurs in groups, especially during prespawning migration. Spawns from April to June. (Ref. 59043).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
歐洲: 伊伯利亞的半島西北部; 主要部份河流域包括 Eo ， Masma ， Oro ， Eume ， Allones ， Donas ， Tambre ， Ulla ， Umia ， Minho ， Limia ， Cavado ， Ave 與 Douro 。
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
近危 (NT) (Near Threatened); Date assessed: 09 December 2023
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [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).
營養階層 (Ref.
69278): 2.5 ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).
