dcsimg

Trophic Strategy

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Inhabits inshore waters and ascends upstream to breed (Ref. 4967). Found in all types of habitat and occurs in groups of about 25 individuals (Ref. 5595).
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Recorder
Emmanuel Kaunda
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Morphology

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Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 14; Analspines: 0; Analsoft rays: 8 - 9; Vertebrae: 40 - 43
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Pascualita Sa-a
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Migration

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Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.
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Susan M. Luna
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Diagnostic Description

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Diagnosis: High lateral line scale count, 31-40 scales on lateral line; long, robust barbelsof equal length; and enlarged, molariform pharyngeal teeth (Ref. 75045).Description: Snout rounded; complete range of variation between the soft-lipped form and the shovel-lipped form (Ref. 4967). A high gillraker count, 10-15 gill rakers (Ref. 75045). Dorsal fin with 4-5 unbranched rays; a flexible and not heavily ossified last simple dorsal ray (Ref. 75045). Predorsal scale rows 10-14 (Ref. 75045). Total vertebrae 40-43; 22-24 abdominal vertebrae, 16-19 caudal vertebrae and 10-12 predorsal vertebrae; 14-16 rib pairs (Ref. 75045).
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Biology

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Inhabits inshore areas of the lake, but ascends rivers to breed (Ref. 4967). Found in all types of habitat and occurs in groups of about 25 individuals; not exported for trade (Ref. 5595).
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Importance

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fisheries: commercial
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Labeobarbus johnstonii ( Catalan; Valencian )

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Labeobarbus johnstonii és una espècie de peix pertanyent a la família dels ciprínids.

Descripció

Hàbitat

És un peix d'aigua dolça, potamòdrom, bentopelàgic i de clima tropical (8°S-15°S).[5][7]

Distribució geogràfica

Es troba a Àfrica: conca del llac Malawi a Malawi, Moçambic i Tanzània.[5][8][9][10][11][12][13][14]

Costums

Habita les zones costaneres del llac Malawi, però puja els rius que hi desguassen per reproduir-se.[15]

Observacions

És inofensiu per als humans.[5]

Referències

  1. Rüppell, W. P. E. S., 1835. Neuer Nachtrag von Beschreibungen und Abbildungen neuer Fische, im Nil entdeckt. Museum Senckenbergianum: Abhandlungen aus dem Gebiete der beschreibenden Naturgeschichte, van Mitgliedern der Senckenbergischen Naturforschenden Gesellschaft in Frankfurt, Main Frankfort. v. 2 (núm. 1): 1-28, Pls. 1-3.
  2. uBio (anglès)
  3. Boulenger, G. A., 1907. Descriptions of three new fishes from Central Africa. Annals and Magazine of Natural History (Series 7) v. 20 (núm. 120): 487-489.
  4. Catalogue of Life (anglès)
  5. 5,0 5,1 5,2 5,3 FishBase (anglès)
  6. Lévêque, C. i J. Daget, 1984. Cyprinidae. p. 217-342. A: J. Daget, J.-P. Gosse i D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, París i MRAC, Tervuren. Vol. 1.
  7. Riede, K., 2004. Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Alemanya. 329 p.
  8. Jackson, P.B.N., 1961. Check list of the fishes of Nyasaland. The National Museum of Southern Rhodesia. Occasional Papers 3(25B).
  9. Konings, A., 1990. Ad Konings's book of cichlids and all the other fishes of Lake Malawi. T.F.H. Publications, Inc., Neptune City, Nova Jersey, Estats Units, 495 p.
  10. Nsiku, E., 1999. Changes in the fisheries of Lake Malawi, 1976-1996: ecosystem-based analysis. University of British Columbia, Vancouver, Canadà. 217 p.
  11. Snoeks, J., (ed.) 2004. The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, Estats Units, 360p.
  12. Tweddle, D. i P.H. Skelton, 2008. New species of Barbus and Labeobarbus (Teleostei: Cyprinidae) from the South Rukuru River, Malawi, Africa. Smithiana Bulletin 8:25-39.
  13. Tweddle, D., D.S.C. Lewis i N.G. Willoughby, 1979. The nature of the barrier separating the Lake Malawi and Zambezi fish faunas. Ichthyol. Bull. Rhodes Univ. 39:1-9.
  14. Snoeks, J., 2004. The non-cichlid fishes of the Lake Malawi system: a compilation. P. 20-26. A: Snoeks, J. (ed.). The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, 360p.
  15. Eccles, D.H., 1992. FAO species identification sheets for fishery purposes. Field guide to the freshwater fishes of Tanzania. Prepared and published with the support of the United Nations Development Programme (project URT/87/016). FAO, Roma. 145 p.


Bibliografia


Enllaços externs

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Labeobarbus johnstonii: Brief Summary ( Catalan; Valencian )

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Labeobarbus johnstonii és una espècie de peix pertanyent a la família dels ciprínids.

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Labeobarbus johnstonii

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Labeobarbus johnstonii is a species of cyprinid fish. It has long been placed in Barbus, the "wastebin genus" for barbs, by default, and this is still being done by the IUCN. However, the species is increasingly being restored to related yellowfish genus Labeobarbus which seems a much more appropriate placement. It is presumably hexaploid like the other yellowfish. The supposed subspecies latirostris of its relative L. intermedius is actually misidentified L. johnstonii.[3]

Its natural habitats are rivers and freshwater lakes. It is found in Lake Malawi, the Shire River and their larger tributaries in Malawi, Mozambique and Tanzania.[1]

Like other yellowfish, L. johnstonii is a large species. It can grow to more than 30 cm (12 in) standard length and over 4 kilograms (8.8 lb) in weight. This freshwater fish is found in small group in all sorts of underwater habitat. They are omnivores, but adult fish like to eat smaller fishes in particular. For spawning, they migrate towards the rivers' headwaters in the rainy season. The lake populations often do not return from their spawning grounds until the dry season has started.[1]

This species is of commercial significance. It is collected and traded for aquaria, typically when young, but it must be remembered that this is only a fish for the largest of tanks if it shall thrive. The spawning adults are fished for local food and for trade. Although L. johnstonii is widespread and not considered a threatened species by the IUCN, catching the fishes when they migrate to spawn and not when they return as well as the use of fish poisons (which is illegal but still practiced in places) is probably depleting its numbers faster than they can recover.[1]

Footnotes

  1. ^ a b c d Konings, A.; Tweddle, D.; Vreven, E.; Kazembe, J.; Magombo, Z.L.K.; Kaunda, E. (2019). "Labeobarbus johnstonii". IUCN Red List of Threatened Species. 2019: e.T60410A155040750. doi:10.2305/IUCN.UK.2019-3.RLTS.T60410A155040750.en. Retrieved 12 November 2021.
  2. ^ "Synonyms of Labeobarbus johnstonii (Boulenger, 1907)". Fishbase. Retrieved 5 November 2017.
  3. ^ Vreven et al. (2006), de Graaf et al. (2007)

References

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wikipedia EN

Labeobarbus johnstonii: Brief Summary

provided by wikipedia EN

Labeobarbus johnstonii is a species of cyprinid fish. It has long been placed in Barbus, the "wastebin genus" for barbs, by default, and this is still being done by the IUCN. However, the species is increasingly being restored to related yellowfish genus Labeobarbus which seems a much more appropriate placement. It is presumably hexaploid like the other yellowfish. The supposed subspecies latirostris of its relative L. intermedius is actually misidentified L. johnstonii.

Its natural habitats are rivers and freshwater lakes. It is found in Lake Malawi, the Shire River and their larger tributaries in Malawi, Mozambique and Tanzania.

Like other yellowfish, L. johnstonii is a large species. It can grow to more than 30 cm (12 in) standard length and over 4 kilograms (8.8 lb) in weight. This freshwater fish is found in small group in all sorts of underwater habitat. They are omnivores, but adult fish like to eat smaller fishes in particular. For spawning, they migrate towards the rivers' headwaters in the rainy season. The lake populations often do not return from their spawning grounds until the dry season has started.

This species is of commercial significance. It is collected and traded for aquaria, typically when young, but it must be remembered that this is only a fish for the largest of tanks if it shall thrive. The spawning adults are fished for local food and for trade. Although L. johnstonii is widespread and not considered a threatened species by the IUCN, catching the fishes when they migrate to spawn and not when they return as well as the use of fish poisons (which is illegal but still practiced in places) is probably depleting its numbers faster than they can recover.

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Barbus eurystomus ( Spanish; Castilian )

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Barbus eurystomus es una especie de peces de la familia de los Cyprinidae en el orden de los Cypriniformes.

Morfología

Los machos pueden llegar alcanzar los 50 cm de longitud total.[1][2]

Hábitat

Es un pez de agua dulce.

Distribución geográfica

Se encuentra en la cuenca del lago Malawi.

Referencias

  1. FishBase (en inglés)
  2. Eccles, D.H., 1992. FAO species identification sheets for fishery purposes. Field guide to the freshwater fishes of Tanzania. Prepared and published with the support of the United Nations Development Programme (project URT/87/016). FAO, Roma, Italia. 145 p.

Bibliografía

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Barbus eurystomus: Brief Summary ( Spanish; Castilian )

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Barbus eurystomus es una especie de peces de la familia de los Cyprinidae en el orden de los Cypriniformes.

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Barbus eurystomus ( Basque )

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Barbus eurystomus Barbus generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Cyprinidae familian.

Banaketa

Erreferentziak

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Ikus, gainera

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Barbus eurystomus: Brief Summary ( Basque )

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Barbus eurystomus Barbus generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Cyprinidae familian.

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Labeobarbus brevicauda ( Basque )

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Labeobarbus brevicauda Labeobarbus generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Cyprinidae familian.

Banaketa

Erreferentziak

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(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget "ErrefAurrebista" was not loaded. Please migrate it to use ResourceLoader. See u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetaku003E.");});
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Labeobarbus brevicauda: Brief Summary ( Basque )

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Labeobarbus brevicauda Labeobarbus generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Cyprinidae familian.

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Labeobarbus johnstonii ( Basque )

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Labeobarbus johnstonii Labeobarbus generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Cyprinidae familian.

Banaketa

Erreferentziak

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Ikus, gainera

(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget "ErrefAurrebista" was not loaded. Please migrate it to use ResourceLoader. See u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetaku003E.");});
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Labeobarbus johnstonii: Brief Summary ( Basque )

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Labeobarbus johnstonii Labeobarbus generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Cyprinidae familian.

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Labeobarbus johnstonii ( Dutch; Flemish )

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Vissen

Labeobarbus johnstonii is een straalvinnige vissensoort uit de familie van eigenlijke karpers (Cyprinidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1907 door Boulenger.

Bronnen, noten en/of referenties
  1. (en) Labeobarbus johnstonii. FishBase. Ed. Ranier Froese and Daniel Pauly. 10 2011 version. N.p.: FishBase, 2011.
Geplaatst op:
28-10-2011
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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Labeobarbus johnstonii ( Vietnamese )

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Labeobarbus johnstonii là một loài cá vây tia thuộc họ Cyprinidae.

Các môi trường sống tự nhiên của chúng là sônghồ nước ngọt. Nó được tìm thấy ở hồ Malawi, sông Shire và their larger tributariesMalawi, MozambiqueTanzania.[1]

Ghi chú

  1. ^ Vreven et al. (2006)

Tham khảo


Hình tượng sơ khai Bài viết về Họ Cá chép 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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Labeobarbus johnstonii: Brief Summary ( Vietnamese )

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Labeobarbus johnstonii là một loài cá vây tia thuộc họ Cyprinidae.

Các môi trường sống tự nhiên của chúng là sônghồ nước ngọt. Nó được tìm thấy ở hồ Malawi, sông Shire và their larger tributariesMalawi, MozambiqueTanzania.

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約氏魮 ( Chinese )

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二名法 Labeobarbus johnstonii
Boulenger, 1907

約氏魮学名Labeobarbus johnstonii)为輻鰭魚綱鯉形目鲤科的其中一,分布於非洲馬拉威湖流域,體長可達32公分,棲息在中底層水域,可做為食用魚及觀賞魚。

参考文献

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約氏魮: Brief Summary ( Chinese )

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約氏魮(学名:Labeobarbus johnstonii)为輻鰭魚綱鯉形目鲤科的其中一,分布於非洲馬拉威湖流域,體長可達32公分,棲息在中底層水域,可做為食用魚及觀賞魚。

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