分類 / Names
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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
生態学
; 新鮮な水 底生の漂泳性. Temperate
Europe: Iberian Peninsula from Douro drainage to Galicia.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm SL オス/雌雄の選別がない; (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
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
Human uses
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インターネットの情報源
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=0.00832 (0.00383 - 0.01808), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 2.5 ±0.2 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低い, ４．５年～１４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).
