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Brief Summary ( anglais )

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The threatened demersal spikedace (Meda fulgida) is endemic to the Gila River system generally at elevations of 1800 to 2000 meters. This taxon is slender in form with a pointed snout and total body length of about eight centimeters. Coloration is olive-grey to brown above, with silvery sides that frequently exhibit blue flashes, accompanied with black speckling on the back and upper side. Breeding males manifest a bright, brassy yellow head and fins. Preferred spikedace habitat consists of moderately flowing streams with sand or gravel bottom; the species is threatened by stream channelization and adverse water quality impacts.
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C.Michael Hogan
citation bibliographique
C.Michael Hogan. 2012. ''Gila River. Encyclopedia of Earth, National Council for Science and the Environment, Washington DC ed. Peter Saundry; ed.in-chief C.M.Hogan
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Morphology ( anglais )

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Analsoft rays: 9
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Armi G. Torres
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Diagnostic Description ( anglais )

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Meda fulgida can be distinguished by the following characters: anal fin with 9 rays; pharyngeal teeth 1,4-4,1; scales absent; slender body, somewhat compressed at front, strongly compressed at caudal peduncle; slightly subterminal mouth on fairly pointed snout; large eye; pelvic-fin origin before before dorsal-fin origin; olive-gray to light brown above; brilliant silver side, often with blue sheen; back and upper side with black specks and blotches; and bright brassy yellow head and fin bases, yellow belly and fins in breeding males (Ref. 86798).
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Biology ( anglais )

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Inhabits sandy and rocky runs and pools and often occurs near riffles of creeks and small rivers (Ref. 86798).
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Spikedace ( anglais )

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The spikedace (Meda fulgida) is an endangered species of ray-finned fish in the family Cyprinidae. It is found in Arizona and New Mexico in the United States. It lives in fast-moving streams.

Description

The maximum length of the spikedace rarely exceeds 7.5 cm.[2] It usually has a slender body, with a somewhat compressed front, and is strongly compressed at the caudal peduncle, with a fairly pointed snout and contains a slightly subterminal mouth with large eyes. The dorsal fin origin is behind the pelvic fin origin. The scales are present only as small, deeply embedded plates. The first spinous ray of the dorsal fin is the strongest and most sharp-pointed. The spikedace has seven dorsal fin-rays and typically 9 anal fin-rays. The spikedace skin is olive-gray to light brown above, with a brilliant silver side, often with blue reflections, and with black specks and blotches on the back and upper side. The breeding male has a spectacular, bright, brassy yellow head and fins.[3]

Range

Historically, the M. fulgida was common and locally abundant throughout the upper Gila River basin of Arizona and New Mexico. In Arizona, this included the Agua Fria, San Pedro, and San Francisco River systems, and the Gila, Salt and Verde Rivers and major tributaries upstream of present-day Phoenix. In New Mexico, it included San Francisco River, Gila River, and the East, Middle and West Forks of the Gila.

Presently, the species is found in Aravaipa Creek, a tributary of the San Pedro River, Eagle Creek, and the upper Verde River system in Arizona, and the upper Gila River system in New Mexico.[4]

Habitat

The spikedace occupies midwater habitats of runs and pools,[5] and prefers moving in water less than 1 m deep and in a current of 0.3-0.6 m/s. The spikedace concentrates in the downstream ends of rivers, although many have been collected in the upstream portions of shear zones less than 0.33 m deep. In larger streams, the spikedace is found only at the mouth of creeks.[6]

Population trends

The spikedace was formerly widespread in the Gila basin, but has suffered marked reductions in range in the last few decades. In areas where it still persists, it seems far less abundant now.[7] This species often declines and explodes in numbers.[8] Kirk Young (AGFD Native Fish Diversity Review 1995) reported four populations in Arizona. Paul Marsh[9] believes a population may be found in the White River which has not yet been surveyed.

Management factors

Activities known to be detrimental to the spikedace are the removal of water from their habitats, stream impoundment, channelization, domestic livestock grazing, timber harvesting, mining, road construction, polluting, and stocking non-native species.

Threats to the species include stream flow depletion; diversion; habitat alteration and competition with non-native crayfishes; and predation by and competition with non-native fishes, especially red shiner.

References

  1. ^ NatureServe (2013). "Meda fulgida". IUCN Red List of Threatened Species. 2013: e.T12923A19034065. doi:10.2305/IUCN.UK.2013-1.RLTS.T12923A19034065.en. Retrieved 16 November 2021.
  2. ^ Rinne, J.N. and W.L. Minckley. 1991. Native fishes of arid lands: a dwindling resource of the desert southwest. U.S. Department of Agriculture, Forest Service, General Technical Report RM-206. Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colorado. pp. 15-16.
  3. ^ Minckley, W.L. 1973. Fishes of Arizona. Arizona Game and Fish Department, Phoenix. pp. 113-115.
  4. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2010-05-28. Retrieved 2009-11-02.{{cite web}}: CS1 maint: archived copy as title (link)
  5. ^ Rinne, J.N. and W.L. Minckley. 1991. Native fishes of arid lands: a dwindling resource of the desert southwest. U.S. Department of Agriculture, Forest Service, General Technical Report RM-206. Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colorado. pp. 15-16.
  6. ^ Minckley, W.L. 1973. Fishes of Arizona. Arizona Game and Fish Department, Phoenix. pp. 113-115.
  7. ^ Minckley, W.L. 1973. Fishes of Arizona. Arizona Game and Fish Department, Phoenix. pp. 113-115.
  8. ^ Arizona Game and Fish Department Native Fish Diversity Review. 1995. Tempe, Arizona.
  9. ^ Arizona Game and Fish Department Native Fish Diversity Review. 1995. Tempe, Arizona.
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Spikedace: Brief Summary ( anglais )

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The spikedace (Meda fulgida) is an endangered species of ray-finned fish in the family Cyprinidae. It is found in Arizona and New Mexico in the United States. It lives in fast-moving streams.

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Meda fulgida ( basque )

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Meda fulgida Meda generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Cyprinidae familian.

Banaketa

Erreferentziak

  1. (Ingelesez) FishBase

Ikus, gainera

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Meda fulgida: Brief Summary ( basque )

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Meda fulgida Meda generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Cyprinidae familian.

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Meda fulgida ( italien )

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Meda fulgida è un pesce d'acqua dolce appartenente alla famiglia Cyprinidae, sottofamiglia Leuciscinae, nonché unico rappresentante del genere Meda[1].

Distribuzione e habitat

Questa specie è diffusa nel bacino idrografico del fiume Gila in Nordamerica (Nuovo Messico e Arizona), dove abita piccoli torrenti, ruscelli, polle e laghetti con fondali rocciosi e sabbiosi.

Descrizione

Presenta un corpo sottile e allungato, idrodinamico, compresso ai fianchi; possiede occhi grandi, muso arrotondato, pinne trapezoidali. Il primo raggio della pinna dorsale è spesso e robusto. La livrea prevede un fondo argenteo, con dorso brunastro e ventre argenteo: lungo i fianchi corre una fascia orizzontale giallo dorata, più o meno screziata da minuti e fitti puntini bruni. Le pinne sono tendenzialmente trasparenti o giallo vivo.
Raggiunge una lunghezza massima di 9 cm.

Riproduzione

La fecondazione è esterna, le uova sono deposte sul fondo e abbandonate al proprio destino.

Pericolo di estinzione

Meda fulgida è stata inserita nella Lista Rossa IUCN fin dal 1986, a causa della ridotta area di origine e della competizione con specie aliene introdotte nelle acque dolci dove vive[2].

Note

  1. ^ FishBase: scheda M. fulgida, su fishbase.org. URL consultato il 17 febbraio 2014.
  2. ^ IUCN: scheda M. fulgida, su iucnredlist.org. URL consultato il 17 febbraio 2014.

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Meda fulgida: Brief Summary ( italien )

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Meda fulgida è un pesce d'acqua dolce appartenente alla famiglia Cyprinidae, sottofamiglia Leuciscinae, nonché unico rappresentante del genere Meda.

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Medos ( lituanien )

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Medos (Meda) – karpinių (Cyprinidae) šeimos žuvų gentis.

Gentyje viena rūšis – meda (Meda fulgida).

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Meda fulgida ( néerlandais ; flamand )

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Vissen

Meda fulgida is een straalvinnige vissensoort uit de familie van de eigenlijke karpers (Cyprinidae).[2] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1856 door Girard.

Bronnen, noten en/of referenties
  1. (en) Meda fulgida op de IUCN Red List of Threatened Species.
  2. (en) Meda fulgida. FishBase. Ed. Ranier Froese and Daniel Pauly. 02 2013 version. N.p.: FishBase, 2013.
Geplaatst op:
28-02-2013
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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Meda fulgida ( portugais )

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Meda fulgida é uma espécie de peixe actinopterígeo da família Cyprinidae.

Pode ser encontrada nos seguintes países: México e nos Estados Unidos da América.

Referências

  1. NatureServe (2013). «Meda fulgida». Lista Vermelha de Espécies Ameaçadas. 2013: e.T12923A19034065. doi:. Consultado em 16 de novembro de 2021
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Meda fulgida: Brief Summary ( portugais )

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Meda fulgida é uma espécie de peixe actinopterígeo da família Cyprinidae.

Pode ser encontrada nos seguintes países: México e nos Estados Unidos da América.

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Meda fulgida ( vietnamien )

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Meda fulgida là một loài cá vây tia trong họ Cyprinidae. Nó được tìm thấy ở MéxicoHoa Kỳ. They usually live in fast moving streams.

Miêu tả

Chiều dài của chúng hiếm khi vượt quá 7,5 cm [1].

Chú thích

  1. ^ Rinne, J.N. and W.L. Minckley. 1991. Native fishes of arid lands: a dwindling resource of the desert southwest. U.S. Department of Agriculture, Forest Service, General Technical Report RM-206. Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colorado. pp. 15-16.

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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Meda fulgida: Brief Summary ( vietnamien )

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Meda fulgida là một loài cá vây tia trong họ Cyprinidae. Nó được tìm thấy ở MéxicoHoa Kỳ. They usually live in fast moving streams.

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光鱥 ( chinois )

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二名法 Meda fulgida
Girard, 1856

光鱥学名Meda fulgida)为輻鰭魚綱鯉形目鲤科的其中一,被IUCN列為次級保育類動物,分布於北美洲美國亞利桑納州新墨西哥州,體長可達9.1公分,棲息在砂石底質的小溪或水塘。

参考文献

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 src= 維基物種中有關光鱥的數據

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光鱥: Brief Summary ( chinois )

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光鱥(学名:Meda fulgida)为輻鰭魚綱鯉形目鲤科的其中一,被IUCN列為次級保育類動物,分布於北美洲美國亞利桑納州新墨西哥州,體長可達9.1公分,棲息在砂石底質的小溪或水塘。

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