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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Cyprininae
Etymology: Carassius: Latinization of , karass, karausche, European crucian carp (Ref. 45335).
More on author: Bloch.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水; 汽水性の 底生の漂泳性; pH range: 7.1 - 7.5; dH range: 12 - ?; potamodromous (Ref. 51243); 深さの範囲 0 - ? m. Temperate; 10°C - 20°C (Ref. 2059); 62°N - 35°N, 10°W - 155°E
Europe and Asia: usually considered as native from central Europe to Siberia or introduced to European waters from eastern Asia. Clear and definite data on original distribution in Europe are not available due to introduction, confusion with Carassius auratus and complex modes of reproduction. At present, widely distributed and commonly stocked together with Cyprinus carpio which is transported throughout Europe. Absent in northern Baltic basin, Iceland, Ireland, Scotland and Mediterranean islands.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 10.3, range 13 - ? cm
Max length : 46.6 cm TL オス/雌雄の選別がない; (Ref. 88166); common length : 20.0 cm TL オス/雌雄の選別がない; (Ref. 556); 最大公表体重: 3.0 kg (Ref. 556); 最大記録サイズ: 10 年 (Ref. 59043)
Diagnosed from its congeners in Europe by having the following characters: body silvery-brown in color; last simple anal and dorsal rays strongly serrated; 37-52 gill rakers; lateral line with 29-33 scales; freed edge of dorsal concave or straight; anal fin with 5½ branched rays; and peritoneum black (Ref. 59043).
Body shape (shape guide): fusiform / normal.
Inhabits a wide variety of still water bodies and lowland rivers, usually associated with submerged vegetation or regular flooding. Can strongly tolerate low oxygen concentrations and pollution (Ref. 59043). Lake dwelling individuals move into river mouths to avoid low oxygen water in winter (Ref. 39176). Feeding larvae and juveniles occur in high-complexity habitats as reed belts. Feeds on plankton, benthic invertebrates, plant material and detritus. Spawns in shallow, warm shores on submerged vegetation (Ref. 59043). Able to reproduce from unfertilized eggs (gynogenesis) (Ref. 41851). Life span reaches up to about 10 years (Ref. 59043). Eastern European or wild form of the goldfish (Ref. 1739).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Females spawn with several other species, for example Cyprinus carpio and Carassius carassius, but the eggs just develop without being actually fertilized resulting in a female only population (Ref. 2059). In Europe, populations considered as triploid and only females. But in some populations, it should be possible to find up to 25% of males which should be diploid (Ref. 40476). "There are also all-female populations in which all individuals are triploids. Triploids are sperm parasites of other cyprinid species such as Cyprinus carpio,
Rutilus rutilus and Abramis brama. Older individuals spawn earlier in season than younger ones. Males move to spawning sites before females. Males follow ripe females, often with much splashing. Sticky eggs are attached to water plants or submerged objects" (Ref. 59043).
Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間に対する脅威
Potential pest (Ref. 83969)
人間の用途
水産業: 少数商業の
用具
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.01151 - 0.01581), b=3.05 (3.01 - 3.09), in cm total length, based on LWR estimates for this species (Ref.
93245).
栄養段階 (参照
69278): 2.5 ±0.0 se; based on diet studies.
Generation time: 6.1 (4.7 - 6.1) years. Estimated as median ln(3)/K based on 21
growth studies.
回復力 (参照
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (K=0.13; tm=1-4).
漁業の脆弱性 (Ref.
59153): Moderate to high vulnerability (51 of 100).
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栄養素 (Ref.
124155): Calcium = 55.3 [22.0, 110.0] mg/100g; Iron = 0.571 [0.256, 1.173] mg/100g; Protein = 17.4 [16.1, 18.7] %; Omega3 = 0.666 [0.344, 1.334] g/100g; Selenium = 10.6 [4.7, 20.9] μg/100g; VitaminA = 20.1 [7.7, 53.5] μg/100g; Zinc = 0.738 [0.466, 1.220] mg/100g (wet weight); based on
nutrient studies.
