Astroblepus

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Astroblepus is a genus of fish in the family Astroblepidae found in South America and Panama. This genus is the only member of its family.[1] These catfishes are primarily found in torrential streams in the Andean area.[1] Astroblepus pholeter and A. riberae are troglobites adapted to living in subterranean water systems.[2] These species are typically small, less than Script error: No such module "convert"..[1] The largest species reaches Script error: No such module "convert"..[1] These fish have suckermouths like those of loricariids. They have two pairs of barbels, maxillary and nasal. The dorsal fin spine lacks a locking mechanism.[3] These fish also have odontodes, tiny teeth on their skin. All species exhibit a conical, pointy type on their fin rays like that found in other loricarioids; other species also exhibit a blunt type that is only found on their skin.[3]

Some of these fish are able to live in high altitude and climb the faces of waterfalls.[3] Their climbing ability comes from specially developed pelvic fins, as well as their suckermouths.[3] In their Neotropical Andean habitat, dry and wet seasons are quite extreme, and odontodes may help in sensing food, mates and water flow, as well as help cling to surfaces.[3] They feed upon invertebrates, such as caterpillars and annelids.[3]

The Astroblepidae were usually placed within Siluriformes as the sister family of Loricariidae,[4][5] but a recent study found them to be more closely related to the family Scoloplacidae.[6][7]

Species

There are currently 80 recognized species in this genus:

References

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  8. a b Ardila Rodríguez, C.A. (2011): Astroblepus itae, Astroblepus acostai. Dos nuevas especies del Río Cáchira y Río Sinú, Colombia. Universidad Metropolitana de Barranquilla. Barranquilla, Colombia. 16 pp.
  9. a b c d e Ardila Rodríguez, C.A. (2015): Five new species of astroblepid fish for Colombian Andes. Template:Webarchive Revista de la Asociación Colombiana de Ciencias Biológicas, 27 (1): 124–135.
  10. Ardila Rodríguez, C.A. (2012): Astroblepus ardilai sp. nov. Una nuevas especie de pez del los Andes del Municipio de Floridablanca, Departamento de Norte de Santander – Colombia. Peces del Departamento de Santander – Colombia, 5: 1–21.
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  12. a b c d Ardila Rodríguez, C.A. (2013): Astroblepus hidalgoiA. floridaensisA. huallagaensis y A. cajamarcaensis: Cuatro nuevas especies de los Andes del Peru. Universidad Metropolitana de Barranquilla. Barranquilla, Colombia. 22pp.
  13. a b c Ardila Rodríguez, C.A. (2014): Astroblepus tamboensisA. chinchaoensis y A. moyanensis: Tres nuevas especies de los Andes del Peru. Universidad Metropolitana de Barranquilla. Barranquilla, Colombia. 22pp.
  14. a b c d Ardila Rodríguez, C.A. (2015): Astroblepus verai sp. nov. – A. pradai, A. curitiensis y A. onzagaensis. Cuatro nuevas especies del Departamento de Santander – Colombia. Barranquilla, Departamento del Atlántico, 2015 (7): 1–24.
  15. Ardila Rodríguez, C.A. (2016): Astroblepus floridablancaensis sp. nov. una nueva Especie de Janbonero (Siluriformes: Astroblepidae) del Municipio de Floridablanca, Departamento de Santander – Colombia. Peces del Departamento de Santander – Colombia, 8: 1–20.
  16. a b Ardila Rodríguez, C.A. (2013): Astroblepus martinezi y Astroblepus jimenezae: Dos nuevas especies del Río Sinú y Río Atrato, Colombia. Universidad Metropolitana de Barranquilla. Barranquilla, Colombia. 20pp.
  17. Ardila Rodríguez, C.A. (2014): Astroblepus mendezi sp. nov. una nueva especie de pez de Panamá. Universidad Metropolitana de Barranquilla. Barranquilla, Colombia. 17pp.
  18. a b Ardila Rodríguez, C.A. (2012): Astroblepus ortegai y Astroblepus quispei. Dos nuevas especies des los Andes del Perú. Universidad Metropolitana de Barranquilla. Barranquilla, Colombia. 16 pp.

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