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Bedotia madagascariensis Regan, 1903

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Teleostei > Atheriniformes (Silversides) > Bedotiidae (Madagascar rainbowfishes)
Etymology: Bedotia: After Maurice Bedot, 1859-1927; born in Geneva, systematist on Hydrozoan.
More on author: Regan.

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

; 淡水 大洋性. 熱帶

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Africa: lower reaches of Ivoloina River to at least as far south as Manambolo Creek which drains into the Lakendrano Mpangalana 10 km south of the town of Vatomandry, Madagascar (Ref. 76768). Following translocation to marshes near the village of Mahitsy (just outside of Antananarivo) in the 1950's, at present apparently also widely established in the Betsiboka basin (Ref. 76768).
非洲: 只有模式標本標本 (模式標本產地: 馬達加斯加的淡水). 不清楚地不同於 吉氏皮杜銀漢魚〔Bedotia geayi〕 。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 8.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 76768)

生物学特性     字汇 (例如 epibenthic)

Inhabits clear, well-shaded streams at altitudes up to 30 meters above sea level; prefers slow-flowing sections; observed in loose, size-graded associations up to several dozen of individuals; juveniles usually found in the shallows, adults frequent deeper waters (Ref. 76768).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

非洲: 只有模式標本標本 (模式標本產地: 馬達加斯加的淡水). 不清楚地不同於 吉氏皮杜銀漢魚〔Bedotia geayi〕 。

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

Loiselle, P.V. and D. Rodriguez, 2007. A new species of Bedotia (Teleostei: Atherinomorpha: Bedotiidae) from the Rianila drainage of eastern Madagascar, with redescriptions of Bedotia madagascariensis and Bedotia geayi. Zootaxa 1520:1-18. (Ref. 76768)

世界自然保护联盟红皮书 (Ref. 130435)

  濒危 (EN) (B1ab(iii,v)); Date assessed: 22 June 2016

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 = 0.5020   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.6   ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).