Rhynchocypris percnurus (Pallas, 1814)

Lake minnow
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Rhynchocypris percnurus
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分類 / Names 共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

条鰭類 > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Leuciscinae
Etymology: Rhynchocypris: Greek, rhingchos = snout + Greek, kypris = other name for Aphrodite, proceeding from Kypris (Cyprus) Greek, kyprinos = carp (Ref. 45335).  More on author: Pallas.

Environment: milieu / climate zone / depth range / distribution range 生態学

; 新鮮な水 底生の漂泳性; 移住性ではない.   Subtropical; 15°C - 23°C (Ref. 12468); 75°N - 35°N, 35°E - 175°E

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Eurasia: Widespread but highly disjunct range: lakes in Odra, Vistula, Dniepr, Volga (Oka and Kama systems) drainages, isolated localities in Middle Volga, lakes in Arctic Ocean (from Nothern Dvina to Kolyma drainages) and Pacific basins (from Amur to Korea and Japan).

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm ?, range 4 - ? cm
Max length : 18.5 cm SL オス/雌雄の選別がない; (Ref. 59043); common length : 9.0 cm TL オス/雌雄の選別がない; (Ref. 556); 最大公表体重: 100.00 g (Ref. 1441)

簡単な記述 形態学 | 形態計測学

Can be separated from Rhynchocypris czekanowskii by having male genital papilla not long and pointed, and body depth greater than or equal to caudal peduncle length (Ref. 59043).

生物学     用語集 (例 epibenthic)

Adults inhabit small lakes, shallow or isolated small bays of larger lakes, swamps, artificial ponds, with abundant vegetation, turbid water, with mud or clay bottom. They prefer to live in still water or slow current. Commonly found in shallows among vegetation in schools of 20-89 individuals. Can survive extreme low oxygen concentrations in summer and winter. Hibernate (in northern regions) during winter or remain inactive at temperatures close to 0°C. Feed on a wide variety of prey, from plankton to benthic animals. Globally not under threat, but some isolated relict populations in Middle Volga and Poland have already been extirpated, are declining or threatened. Several of these populations may possibly represent a distinct species, which, if confirmed, will significantly change the present conservation assessment (Ref. 59043).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

Embryonic development lasts 10-15 days (Ref. 59043).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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. 119314)

  軽度懸念 (LC) ; Date assessed: 01 January 2008

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 商業
FAO(Publication : search) | FishSource |

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共通名の
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成熟
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インターネットの情報源

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00549 - 0.01823), b=3.14 (2.99 - 3.29), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
栄養段階 (Ref. 69278):  3.2   ±0.39 se; Based on food items.
回復力 (Ref. 69278):  手段, 1.4年~4.4年の倍増期間の最小個体群 (K=0.19-0.23; tmax=6).
弱み (Ref. 59153):  Moderate vulnerability (36 of 100) .
価格帯 (Ref. 80766):   Unknown.