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Rivulus ( Catalan; Valencian )

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Rivulus és un gènere de peixos de la família dels rivúlids i de l'ordre dels ciprinodontiformes.

Espècies

Referències

  1. ITIS (anglès)
  2. Animal Diversity Web (anglès)
  3. BioLib (anglès)
  4. FishBase (anglès)
  5. The Taxonomicon (anglès)
  6. UNEP-WCMC Species Database (anglès)
  7. Catalogue of Life (anglès)

Bibliografia

  • Costa, W.J.E.M.: Rivulidae (South American Annual Fishes). planes 526-548. A: R.E. Reis, S.O. Kullander i C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil, any 2003.
  • Moyle, P. i J. Cech.: Fishes: An Introduction to Ichthyology, 4a edició, Upper Saddle River (Nova Jersey, Estats Units): Prentice-Hall. Any 2000.
  • Nelson, J.: Fishes of the World, 3a edició. Nova York, Estats Units: John Wiley and Sons. Any 1994.
  • Wheeler, A.: The World Encyclopedia of Fishes, 2a edició, Londres: Macdonald. Any 1985.

Enllaços externs

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Rivulus: Brief Summary ( Catalan; Valencian )

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Rivulus és un gènere de peixos de la família dels rivúlids i de l'ordre dels ciprinodontiformes.

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Bachlinge ( German )

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Rivulus ist eine Fischgattung aus der Ordnung der Zahnkärpflinge (Cyprinodontiformes) die auf Kuba und Hispaniola vorkommt. Die Gattung umfasste zeitweise fast 200 Arten, auch von anderen Karbikinseln und aus Mittel- und Südamerika. Genauere Untersuchungen der Verwandtschaftsverhältnisse führten jedoch dazu dass die Untergattungen Anablepsoides, Atlantirivulus, Laimosemion, Melanorivulus und Cynodonichthys zu eigenständigen Gattungen erhoben wurden und zahlreiche Arten mit anderen synonymisiert wurden, so das nur zwei Arten in Rivulus verblieben. Rivulus ist die basale Schwestergruppe aller anderen Gattungen der Unterfamilie Rivulinae in der Familie Rivulidae.[1]

Merkmale

Rivulus-Arten sind klein und erreichen eine Standardlänge von etwa 5 cm. Die Flossen sind abgerundet, die Männchen sind dunkler gefärbt als die Weibchen. Diagnostische Merkmale, mit den Rivulus von anderen, verwandten Gattungen zu unterscheiden sind folgende: alle Hypuralia sind zu einer einzigen Knochenplatte verschmolzen (durch eine mittige Lücke voneinander getrennt bei den anderen Gattungen), die Neuralbögen der Schwanzwirbel sind rudimentär (gut entwickelt bei den anderen Gattungen), die vierte Ceratobranchiale (“unterer Schlundkiefer”) ist unbezahnt (bezahnt bei den anderen Gattungen), die rumpfseitige Hälfte der Schwanzflosse ist beschuppt (bei den anderen Gattungen nur unmittelbar an der Flossenbasis beschuppt), auf den vorderer Überaugenknochen (Supraorbitalia) befinden sich vier Neuromasten (drei bei den anderen Gattungen). Außerdem zeigen die Weibchen von Rivulus im vorderen und oberen Bereich des Schwanzstiels einen schwarzen runden Fleck mit weißem Rand (Rivulus-Fleck). Bei den anderen Gattungen liegt der Fleck, wenn vorhanden, nah der Schwanzflossenbasis. Die Männchen von Rivulus besitzen eine blauen Fleck an der Basis der Brustflossen. Dies ist aber auch bei einigen Arten von Laimosemion der Fall.[1]

Lebensraum

Die Fische bewohnen in ihrer Heimat meist stark verkrautete kleine Bäche, Gräben aber auch Tümpel, in denen sie sich häufig am Rande im Pflanzenbewuchs aufhalten. Durch ihre schlanke Körpergestalt, die weit zurückgesetzte Rückenflosse und das oberständige Maul und nicht zuletzt durch ihre Sprungkraft haben sie sich diesen Biotopen vorzüglich angepasst. Das oberständige Maul dieser Fische weist darauf hin, dass ein großer Teil der Nahrung von der Wasseroberfläche genommen wird.

Arten

Die Gattung Rivulus umfasst folgende drei Arten[2]:

Rivulus roloffi von Hispaniola wird aktuell zu der Gattung Rivulus gezählt. Diese Zuordnung ist jedoch umstritten. Manche molekulargenetischen Studien ergeben, dass es sich um eine Art der Gattung Rivulus handelt[3], andere molekulargenetischen Studien ergeben, dass diese Art näher mit anderen Rivuliden verwandt ist[1].

Einzelnachweise

  1. a b c Wilson J. E. M. Costa: Phylogenetic position and taxonomic status of Anablepsoides, Atlantirivulus, Cynodonichthys, Laimosemion and Melanorivulus (Cyprinodontiformes: Rivulidae). Ichthyological Exploration of Freshwaters, Band 22, Nr. 3, S. 233–249, September 2011 © Verlag Dr. Friedrich Pfeil, München, Germany –
  2. Eschmeyer's Catalog of Fishes
  3. Furness Andrew I., Reznick David N., Springer Mark S. und Meredith Robert W. (2015): Convergent evolution of alternative developmental trajectories associated with diapause in African and South American killifish. Proc. R. Soc. B. 282: 20142189. 20142189. doi: 10.1098/rspb.2014.2189
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Bachlinge: Brief Summary ( German )

provided by wikipedia DE

Rivulus ist eine Fischgattung aus der Ordnung der Zahnkärpflinge (Cyprinodontiformes) die auf Kuba und Hispaniola vorkommt. Die Gattung umfasste zeitweise fast 200 Arten, auch von anderen Karbikinseln und aus Mittel- und Südamerika. Genauere Untersuchungen der Verwandtschaftsverhältnisse führten jedoch dazu dass die Untergattungen Anablepsoides, Atlantirivulus, Laimosemion, Melanorivulus und Cynodonichthys zu eigenständigen Gattungen erhoben wurden und zahlreiche Arten mit anderen synonymisiert wurden, so das nur zwei Arten in Rivulus verblieben. Rivulus ist die basale Schwestergruppe aller anderen Gattungen der Unterfamilie Rivulinae in der Familie Rivulidae.

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Rivulus

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Rivulus is a genus of small freshwater fish in the Cyprinodontiformes family Rivulidae. It was traditionally considered to be the largest genus in its family; however, the genus's size is currently in dispute. Wilson J. E. Costa split this genus into several new genera (including Anablepsoides, Atlantirivulus, Cynodonichthys, Kryptolebias, Laimosemion and Melanorivulus) in 2004 and 2011, leaving only a few Greater Antillean species in Rivulus itself.[1] Despite being moved to other genera, some of the species retain the common name "rivulus", like the well-known mangrove rivulus (Kryptolebias marmoratus). Shortly after the review by Costa, another review authored by J.H. Huber refuted the split, moving the proposed genera back in Rivulus and again making the genus the largest in the family Aplocheilidae.[2]

If the split is recognized, the genus Rivulus only includes three non-annual killifish species from western Cuba (including Isla de la Juventud) and Hispaniola where they inhabit streams, rivers and lagoons from the highlands to the coast.[3][4][5] If the split into multiple genera is not recognized, Rivulus contains more than 150 non-annual killifish species found in fresh and brackish waters of the tropical and subtropical Americas, ranging from Argentina in south to Mexico in north, including the Caribbean region.[2]

Species

Three species are included in Rivulus:[1][3][4][6]

A fourth species, R. insulaepinorum, has been recognized, but it is a synonym of R. cylindraceus.[3][6] The two Cuban species are close relatives,[4] but the position of the Hispaniolan R. roloffi has not been confirmed and its placement in this genus is preliminary.[1][5]

Because of the disputed validity of the split into several genera, there is a level of confusion about the species included in Rivulus, despite it being clearly defined in 2011.[1] For example, "R." azureus, "R." pivijay, "R." ribesrubrum, "R." tomasi and "R." xi were described in 2013 by authors that did not recognize the split of Rivulus, but noted that they were part of Cynodonichthys (most species) and Laimosemion ("R." tomasi), by them only considered subgenera of Rivulus.[8][9] This has resulted in the unusual situation where FishBase, despite recognizing the split into several genera, places the newly described species that belong in other genera in Rivulus.[10]

References

  1. ^ a b c d Costa W.J.E.M. (2011). "Phylogenetic position and taxonomic status of Anablepsoides, Atlantirivulus, Cynodonichthys, Laimosemion and Melanorivulus (Cyprinodontiformes: Rivulidae)". Ichthyological Exploration of Freshwaters. 22 (3): 233–249.
  2. ^ a b Huber, J.H., 2012. Reappraisal of the Phylogeny of Rivulus and its Allied Focused on External Characters. Killi-Data Series 2012: 9-25.
  3. ^ a b c Ponce De León, José Luis; León, Gunnary; Rodríguez, Rodet; Metcalfe, Cushla J.; Hernández, Damir; Casane, Didier; García-Machado, Erik (2014). "Phylogeography of Cuban Rivulus: Evidence for allopatric speciation and secondary dispersal across a marine barrier". Molecular Phylogenetics and Evolution. 79: 404–414. doi:10.1016/j.ympev.2014.07.007. PMID 25050928.
  4. ^ a b c Silva, Rodet Rodriguez (2015). "Rivulus berovidesi, a new killifish species (Teleostei: Rivulidae) from western Cuba". Zootaxa. 3949 (2): 289–96. doi:10.11646/zootaxa.3949.2.9. PMID 25947808.
  5. ^ a b Loureiro, M.; R. de Sá; S.W. Serra; F. Alonso; L.S.K. Lanés; M.V. Volcan; P. Calviño; D. Nielsen; A. Duarte; G. Garcia (2018). "Review of the family Rivulidae (Cyprinodontiformes, Aplocheiloidei) and a molecular and morphological phylogeny of the annual fish genus Austrolebias Costa 1998". Neotrop. Ichthyol. 16 (3). doi:10.1590/1982-0224-20180007.
  6. ^ a b Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Rivulus". Catalog of Fishes. California Academy of Sciences. Retrieved 30 January 2021.
  7. ^ Lyons, T.J. & Torres-Pineda, P. 2021. Rivulus roloffi. The IUCN Red List of Threatened Species 2021: e.T125990534A125990585. https://dx.doi.org/10.2305/IUCN.UK.2021-1.RLTS.T125990534A125990585.en. Downloaded on 06 September 2021.
  8. ^ Vermeulen, F.B.M.; Valdesalici, S.; Garcia-Gil, J.R. (2013). "Rivulus tomasi (Teleostei: Cyprinodontiformes: Rivulidae), a new killifish from Tobogán de la Selva, middle Orinoco river drainage in the Amazonas Territory, southwest Venezuela". Aqua, International Journal of Ichthyology. 19 (4): 187–192.
  9. ^ Vermeulen, F.B.M. (2013). "Four new species of Rivulus Poey, 1860, subgenus Cynodonichthys Meek, 1904 (Teleostei: Cyprinidontiformes: Rivulidae) from the Magdalena River Basin, Central Colombia, including notes on Rivulus (Cynodonichthys) elegans Steindachner, 1880". Killi-data Series. 2013: 42–63.
  10. ^ Froese, Rainer and Pauly, Daniel, eds. (2019). Species of Rivulus in FishBase. March 2019 version.
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Rivulus: Brief Summary

provided by wikipedia EN

Rivulus is a genus of small freshwater fish in the Cyprinodontiformes family Rivulidae. It was traditionally considered to be the largest genus in its family; however, the genus's size is currently in dispute. Wilson J. E. Costa split this genus into several new genera (including Anablepsoides, Atlantirivulus, Cynodonichthys, Kryptolebias, Laimosemion and Melanorivulus) in 2004 and 2011, leaving only a few Greater Antillean species in Rivulus itself. Despite being moved to other genera, some of the species retain the common name "rivulus", like the well-known mangrove rivulus (Kryptolebias marmoratus). Shortly after the review by Costa, another review authored by J.H. Huber refuted the split, moving the proposed genera back in Rivulus and again making the genus the largest in the family Aplocheilidae.

If the split is recognized, the genus Rivulus only includes three non-annual killifish species from western Cuba (including Isla de la Juventud) and Hispaniola where they inhabit streams, rivers and lagoons from the highlands to the coast. If the split into multiple genera is not recognized, Rivulus contains more than 150 non-annual killifish species found in fresh and brackish waters of the tropical and subtropical Americas, ranging from Argentina in south to Mexico in north, including the Caribbean region.

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Rivulus ( Spanish; Castilian )

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Rivulus es un género de pequeños peces de agua dulce, de la familia de los rivulinos.[2]​ distribuidos por ríos de América del Sur.[3]

Especies

Recientemente sometido a una fuerte revisión taxonómica, la mayoría de las especies antes clasificadas en este género han pasado a otros géneros de la familia,[4]​ quedando solamente como especies válidas las siguientes:[2]

Referencias

  1. Poey, F., 1860. «Memorias sobra la historia natural de la Isla de Cuba, acompañadas de sumarios Latinos y extractos en Francés». Tomo 2. La Habana. 2: 97–336.
  2. a b Especies de "Rivulus". En FishBase. (Rainer Froese y Daniel Pauly, eds.). Consultada en febrero de 2017. N.p.: FishBase, 2017.
  3. Nelson, J.S. (1994). Fishes of the world (en inglés) (3ª edición). Nueva York: John Wiley & Sons, Inc. pp. 600.
  4. Costa, Wilson J.E.M., 2006. «Relationships and taxonomy of the killifish genus Rivulus (Cyprinodontiformes: Aplocheiloidei: Rivulidae) from the Brazilian Amazonas river basin, with notes on historical ecology». Aqua: Journal of Ichthyology & Aquatic Biology (Oct. 2006).

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Rivulus: Brief Summary ( Spanish; Castilian )

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Rivulus es un género de pequeños peces de agua dulce, de la familia de los rivulinos.​ distribuidos por ríos de América del Sur.​

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Rivulus ( French )

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Le genre Rivulus regroupe plusieurs espèces de poissons d'Amérique centrale et du sud de la famille des Aplocheilidae. Ils font partie des killis.

Liste des espèces

Selon Fishbase 5 espèces (05/2015)[1]:

Notes et références

Références

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Rivulus: Brief Summary ( French )

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Le genre Rivulus regroupe plusieurs espèces de poissons d'Amérique centrale et du sud de la famille des Aplocheilidae. Ils font partie des killis.

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Rivulus ( Dutch; Flemish )

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Vissen

Rivulus is een geslacht van straalvinnige vissen uit de familie van killivisjes (Rivulidae).[1]

Soorten

Bronnen, noten en/of referenties
  1. (en) Rivulus. FishBase. Ed. Ranier Froese and Daniel Pauly. 10 2011 version. N.p.: FishBase, 2011.
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Rivulus: Brief Summary ( Dutch; Flemish )

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Rivulus is een geslacht van straalvinnige vissen uit de familie van killivisjes (Rivulidae).

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Rivulus ( Polish )

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Commons Multimedia w Wikimedia Commons

Rivulusrodzaj ryb karpieńcokształtnych z rodziny strumieniakowatych (Rivulidae).

Klasyfikacja

Gatunki zaliczane do tego rodzaju[2]:

Przypisy

  1. Rivulus, w: Integrated Taxonomic Information System (ang.).
  2. Eschmeyer, W. N. & Fricke, R.: Catalog of Fishes electronic version (2 October 2012) (ang.). California Academy of Sciences. [dostęp 22 listopada 2012].
  3. Nazewnictwo ryb egzotycznych. „Akwarium”. 9–10 (1–2/70), 1970 (pol.).
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Rivulus: Brief Summary ( Polish )

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Rivulus – rodzaj ryb karpieńcokształtnych z rodziny strumieniakowatych (Rivulidae).

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Rivulus ( Portuguese )

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Rivulus é um gênero de peixes sul-americanos de água doce.[1]

Espécies

Referências

  1. Froese, Rainer, and Daniel Pauly, eds. (2019). Espécies de Rivulus em FishBase. Versão de Abril de 2019.
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Rivulus: Brief Summary ( Portuguese )

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Rivulus é um gênero de peixes sul-americanos de água doce.

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Rivulus ( Vietnamese )

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Rivulus là một chi của loài cá nước ngọt thuộc họ Rivulidae của bộ Cyprinodontiformes. Hơn một trăm laoif thuộc Rivulus đã được miêu tả cho đến nay.

Các loài

Tham khảo

  1. ^ Costa, Wilson J. E. M. & Henrique Lazzarotto (2008). “Rivulus amanan, a new killifish from the Japurá river drainage, Amazonas river basin, Brazil (Cyprinodontiformes: Rivulidae)”. Ichthyological Exploration of Freshwaters 19 (2): 129–134.
  2. ^ a ă Costa, Wilson J. (2007). “Rivulus bororo and R. paresi, two new killifishes from the upper Paraguay River basin, Brazil (Teleostei: Rivulidae)”. Ichthyological Exploration of Freshwaters 18 (4): 351–357.
  3. ^ Costa, Wilson J. (2007). “A new species of Rivulus from the Claro river drainage, upper Paraná river basin, central Brazil, with redescription of R. pinima and R. vittatus (Cyprinodontiformes: Rivulidae)”. Ichthyological Exploration of Freshwaters 18 (4): 313–323.
  4. ^ Costa, Wilson J. E. M. (2008). “Rivulus formosensis, a new aplocheiloid killifish from the upper Corrente River drainage, upper Paraná River basin, central Brazil (Cyprinodontiformes: Rivulidae)”. Ichthyological Exploration of Freshwaters 19 (1): 85–90.
  5. ^ Costa, Wilson J. E. M. (2008). “Rivulus giarettai, a new killifish from the Araguari River drainage, upper Paraná River basin, Brazil (Cyprinodontiformes: Rivulidae)”. Ichthyological Exploration of Freshwaters 19 (1): 91–95.
  6. ^ Costa, Wilson J. E. M. (2007). “Rivulus illuminatus, a new killifish from the serra dos Caiapós, upper rio Paraná basin, Brazil (Teleostei: Cyprinodontiformes: Rivulidae)”. Ichthyological Exploration of Freshwaters 18 (3): 193–198.
  7. ^ Costa, Wilson J.E.M. (2010). “Rivulus jalapensis, a new killifish from the Tocantins River basin, central Brazil (Cyprinodontiformes: Rivulidae)”. Ichthyological Exploration of Freshwaters 21 (3): 193–198.
  8. ^ Costa, Wilson J. E. M. (2008). “Rivulus jurubatibensis, a new aplocheiloid killifish from đông nam Brazilian coastal plains (Cyprinodontiformes: Rivulidae)”. Ichthyological Exploration of Freshwaters 19 (2): 135–140.
  9. ^ Costa, Wilson J. (2007). “Rivulus kayabi, a new killifish from the Tapajós river basin, miền nam Brazilian Amazon (Cyprinodontiformes: Rivulidae)”. Ichthyological Exploration of Freshwaters 18 (4): 345–350.
  10. ^ Costa & Brasil; Brasil, Gilberto C. (2008). “A New Pelvicless Killifish Species of the Chi Rivulus, Subgenus Melanorivulus (Cyprinodontiformes: Rivulidae), from the Upper Tocantins River Basin, Central Brazil”. Copeia 2008 (1): 82–85. doi:10.1643/CI-07-079.

Liên kết ngoài

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Rivulus: Brief Summary ( Vietnamese )

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Rivulus là một chi của loài cá nước ngọt thuộc họ Rivulidae của bộ Cyprinodontiformes. Hơn một trăm laoif thuộc Rivulus đã được miêu tả cho đến nay.

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