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Pseudaspius leptocephalus (Pallas, 1776)

Redfin
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Pseudaspius leptocephalus
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Teleostei > Cypriniformes (Carps) > Leuciscidae (Minnows) > Pseudaspininae
Etymology: Pseudaspius: Name from Greek 'pseudo-' for 'false' and 'aspius' which refers to the European genus Aspius (synonym of Leuciscus); originated from Greek 'aspis' meaning 'poisonous snake' like 'Egyptian cobra' (Peyman and Jalal, 2011).
More on author: Pallas.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 底中水层性. 溫帶

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Asia: Amur drainage, Sakhalin Island and Mongolia.
亞洲: 阿穆爾河流域從上游到 Liman ，包括松花江，烏蘇里江與 Khanka 湖。

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm 27.5, range 25 - 30 cm
Max length : 68.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 1441); common length : 42.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 1441); 最大体重: 3.7 kg (Ref. 1441); 最大年龄: 20 年 (Ref. 56557)

生物学特性     字汇 (例如 epibenthic)

Spawning in middle of June, fecundity 36,000 eggs (Ref. 1441). Prefers the main channel of rivers. Feeds on small fish such as gudgeons and minnows (Ref. 41072).

产卵在六月中旬中, 孕卵数 36,000 卵.(参考文献 1441) 偏爱河的主要峡道。 吃小鱼例如白杨鱼与条鱼类。 (参考文献 41072)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼

亞洲: 阿穆爾河流域從上游到 Liman ，包括松花江，烏蘇里江與 Khanka 湖。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Bogutskaya, N.G. and A.M. Naseka, 1996. Cyclostomata and fishes of Khanka Lake drainage area (Amur river basin). An annotated check-list with comments on taxonomy and zoogeography of the region. Zool. Inst. Russ. Acad. Sci. :89 p. (Ref. 13397)

世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)

  最不相关 (LC) ; Date assessed: 07 April 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.5   ±0.80 se; based on food items.
Generation time: 11.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (53 of 100).