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Diagnostic Description ( 英语 )

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Rheocles derhami is readily distinguished from R. sikorae and R. wrightae by length of upper jaw (32-41%HL versus 46-58) and absence of black pigmentation of genital papilla, from R. pellegrini by number of gill rakers on lower limb of first arch (9-10 versus 6-7), from R. lateralis by caudal peduncle length (67.3-78.6%SL versus 84.6-96.7), and from R. alaotrensis by absence of chest and belly scales and paired predorsal scale rows (Ref. 39832). In life males normally light grey, the second dorsal, anal and caudal fins are bright silvery blue, the throat region is orange-red, light grey females are not brightly colored; preserved specimens are creamy yellow, scale rows in dorsal midline heavily pigmented and darkened (Ref. 39832).
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Morphology ( 英语 )

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Dorsal spines (total): 2; Dorsal soft rays (total): 14 - 19; Analspines: 1; Analsoft rays: 15 - 21; Vertebrae: 35 - 38
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Trophic Strategy ( 英语 )

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During low water season, the Ambomboa (= Amboaboa) is fairly clear with a conductivity of around 100 µS/cm, and pH 8.3, flowing over a rock and sand bed and forming numerous small rapids alternating with quieter pools. Gut short and simple; contains almost exclusively of macerated insect remains of terrestrial origin; a few aquatic larval remains present in some individuals.
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Rheocles derhami ( 英语 )

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Rheocles derhami is a species of rainbowfish in the subfamily Bedotiinae, the Madagascar rainbowfishes.[2] It is endemic to the Ambalona River and Mangarahar River in Madagascar. Its natural habitat is rivers.[1] It was described by Melanie Stiassny and Damaris Rodriguez in 1992[3] and was named in honour of the Swiss conservationist Patrick De Rham.[4]

References

  1. ^ a b Sparks, J.S. (2016). "Rheocles derhami". IUCN Red List of Threatened Species. 2016: e.T44659A58309105. doi:10.2305/IUCN.UK.2016-3.RLTS.T44659A58309105.en. Retrieved 16 November 2021.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.) (2019). "Rheocles derhami" in FishBase. April 2019 version.
  3. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Rheocles derhami". Catalog of Fishes. California Academy of Sciences. Retrieved 30 June 2019.
  4. ^ Christopher Scharpf & Kenneth J. Lazara (14 March 2019). "Order ATHERINIFORMES: Families BEDOTIIDAE, MELANOTAENIIDAE, PSEUDOMUGILIDAE, TELMATHERINIDAE, ISONIDAE, DENTATHERINIDAE and PHALLOSTETHIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 30 June 2019.
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Rheocles derhami: Brief Summary ( 英语 )

由wikipedia EN提供

Rheocles derhami is a species of rainbowfish in the subfamily Bedotiinae, the Madagascar rainbowfishes. It is endemic to the Ambalona River and Mangarahar River in Madagascar. Its natural habitat is rivers. It was described by Melanie Stiassny and Damaris Rodriguez in 1992 and was named in honour of the Swiss conservationist Patrick De Rham.

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Rheocles derhami ( 巴斯克语 )

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Rheocles derhami Rheocles generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Bedotiidae familian.

Banaketa

Erreferentziak

  1. Froese, Rainer & Pauly, Daniel ed. (2006), Rheocles derhami FishBase webgunean. 2006ko apirilaren bertsioa.

Ikus, gainera

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Rheocles derhami: Brief Summary ( 巴斯克语 )

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Rheocles derhami Rheocles generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Bedotiidae familian.

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Rheocles derhami ( 荷兰语;弗莱芒语 )

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Vissen

Rheocles derhami is een straalvinnige vissensoort uit de familie van de bedotias (Bedotiidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 2001 door Stiassny & Rodriguez.

De soort is endemisch in Madagaskar.

Bronnen, noten en/of referenties
  1. (en) Rheocles derhami. FishBase. Ed. Ranier Froese and Daniel Pauly. 02 2013 version. N.p.: FishBase, 2013.
Geplaatst op:
27-02-2013
Dit artikel is een beginnetje over biologie. U wordt uitgenodigd om op bewerken te klikken om uw kennis aan dit artikel toe te voegen. Beginnetje
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Rheocles derhami ( 葡萄牙语 )

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Rheocles derhami é uma espécie de peixe da família Bedotiidae.

É endémica de Madagáscar. Os seus habitats naturais são: rios.

Referências

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Rheocles derhami: Brief Summary ( 葡萄牙语 )

由wikipedia PT提供

Rheocles derhami é uma espécie de peixe da família Bedotiidae.

É endémica de Madagáscar. Os seus habitats naturais são: rios.

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Rheocles derhami ( 越南语 )

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Rheocles derhami là một loài thuộc họ Bedotiidae. Nó là loài đặc hữu của Madagascar. Môi trường sống tự nhiên của nó là các con sông.

Nguồn

Chú thích

Tham khảo


Hình tượng sơ khai Bài viết Lớp Cá vây tia này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
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Rheocles derhami: Brief Summary ( 越南语 )

由wikipedia VI提供

Rheocles derhami là một loài thuộc họ Bedotiidae. Nó là loài đặc hữu của Madagascar. Môi trường sống tự nhiên của nó là các con sông.

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德氏溪漢魚 ( 汉语 )

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二名法 Rheocles derhami
Stiassny & Rodriguez, 2001

德氏溪漢魚,為輻鰭魚綱銀漢魚目皮杜銀漢魚科的其中一,被IUCN列為易危保育類動物,分布於非洲馬達加斯加淡水流域,體長可達5公分,為熱帶淡水魚,棲息在表層水域,生活習性不明。

参考文献

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德氏溪漢魚: Brief Summary ( 汉语 )

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德氏溪漢魚,為輻鰭魚綱銀漢魚目皮杜銀漢魚科的其中一,被IUCN列為易危保育類動物,分布於非洲馬達加斯加淡水流域,體長可達5公分,為熱帶淡水魚,棲息在表層水域,生活習性不明。

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