Astyanax bimaculatus, Twospot astyanax : aquarium

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Astyanax bimaculatus (Linnaeus, 1758)

Twospot astyanax
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Image of Astyanax bimaculatus (Twospot astyanax)
Astyanax bimaculatus
Picture by Eakins, R.

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

Teleostei > Characiformes (Characins) > Characidae (Characins; tetras) > Stethaprioninae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335).
More on author: Linnaeus.

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

; 淡水 底中水层性; pH range: 5.5 - 7.5; dH range: ? - 25; 河川洄游 (Ref. 51243). 亞熱帶的; 20°C - 28°C (Ref. 1672)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

South America: Panama to the Amazon basin.
南美洲: 巴拿馬到亞馬遜河流域。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 17.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 79585); 最大体重: 91.60 g (Ref. 79585); 最大年龄: 18 年 (Ref. 72479)

生物学特性     字汇 (例如 epibenthic)

Inhabits large free flowing clear rivers, small streams, drainage ditches and artificial ponds and impoundments (Ref. 11225). Feeds on zooplankton, detritus, higher plants and sometimes on the scales of fish. Gametogenesis takes place during the dry season in time for reproduction to begin during the rainy season (Ref. 12225). Reproduction could be carried out in captivity (Ref. 27188).

栖息于大的分离流动清澈的河,小的溪流, 流域沟渠与人造的池塘与圈围水域。 (参考文献 11225) 吃浮游动物,碎屑,较高等的植物与有时在鱼的鳞片上。 形成配子为繁殖在乾季的时候及时发生在雨季的时候开始。 (参考文献 12225) 繁殖可能是成功完成在繁殖场.(参考文献 27188)

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

南美洲: 巴拿馬到亞馬遜河流域。

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

Planquette, P., P. Keith and P.-Y. Le Bail, 1996. Atlas des poissons d'eau douce de Guyane. Tome 1. Collection du Patrimoine Naturel Volume 22, MNHN, Paris & INRA, Paris. 429 p. (Ref. 12225)

世界自然保护联盟红皮书 (Ref. 130435)


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