Oryzias sinensis

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Oryzias sinensis Chen, Uwa & Chu, 1989

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Oryzias sinensis
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Beloniformes (Needle fishes) > Adrianichthyidae (Ricefishes) > Oryziinae
Etymology: Oryzias: Greek, oryza = rice; because of the habitat used by this fish (Ref. 45335).

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

; 淡水 底中水层性. 熱帶

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Asia: Mekong, Irrawaddy, Salween, Red River and Nanpangjiang basins (Ref. 43281). Introduced in Kazakhstan where it is now abundant; established in lower Kuban drainage; spreading in Azov basin, discovered in River Obitochnaya, Ukraine in 2003 (Ref. 59043).
亞洲: 湄公河，依洛瓦底江，薩爾溫江，紅河與南盤江流域。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 3.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 43281); 最大年龄: 1.00 年 (Ref. 59043)

简单描述 型态特徵 | 形态测量图

臀鳍软条: 18 - 20

生物学特性     字汇 (例如 epibenthic)

Adults occur in swamps, marshes, rice fields, backwaters, stream stretches with stagnant water and dense vegetation (Ref. 59043). In Fuxian Lake, China, they are found in upper and middle layers of shallow coastal waters (Ref. 26717). Adults feed mainly on filamentous algae and zooplankton (Ref. 26717). They mature in 3 months time. Spawning occurs between April and September when temperature rises above 26°C. Can tolerate temperatures from 0 to 42°C, surviving winter under ice (Ref. 59043).

在中国抚仙湖出现于沿岸浅水区的上中层。 主要吃菌丝藻与浮游动物.(参考文献 26717)

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

A cluster of eggs, about 15-50, are spawned every few days in the morning and females carry them for a few hours, until the eggs are entangled into aquatic vegetation by the filaments which cover them. Eggs hatch in 10-12 days at 24°C (Ref. 59043).亞洲: 湄公河，依洛瓦底江，薩爾溫江，紅河與南盤江流域。

主要参考文献 Upload your references | 参考文献 | 合作者 : Seegers, Lothar | 合作者

Yang, J.-X., 1991. The fishes of Fuxian Lake, Yunnan, China, with description of two new species. Ichthyol. Explor. Freshwat. 2(3):193-202. (Ref. 26717)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 21 February 2011

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 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00190 - 0.01207), b=3.13 (2.91 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.7   ±0.31 se; based on food items.
Generation time: 0.4 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
回复力 (Ref. 120179):  低的, 最小族群倍增时间4.5 - 14 年 (Assuming fec < 100).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).