Pangasiidae

Pangasiidae

Pangasianodon hypophthalmus en un acuario
Taxonomía
Reino: Animalia
Filo: Chordata
Clase: Actinopterygii
Subclase: Neopterygii
Infraclase: Teleostei
Superorden: Ostariophysi
Orden: Siluriformes
Familia: Pangasiidae
Bleeker, 1858
Distribución
Distribución de la familia Pangasiidae
Distribución de la familia Pangasiidae
Géneros

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Los peces-gato gigantes son la familia Pangasiidae de peces de agua dulce, incluida en el orden Siluriformes, distribuidos por ríos y lagos del sudeste asiático, desde Pakistán hasta Borneo.[1]​ El nombre de la familia procede del vietnamita, literalmente su nombre común en este idioma.[1]​

Aparecen por primera vez en el registro fósil en el Cenozoico.[2]​

Morfología

Normalmente presentan dos pares de bigotes, uno de ellos en el mentón, no teniendo bigotes nasales como en otros silúridos; tienen el cuerpo comprimido, con una pequeña aleta adiposa separada de la aleta caudal, mientras que la aleta dorsal se encuentra próxima a la cabeza con una o dos espinas.[1]​

Algunas especies son de gran tamaño, como el siluro gigante, para el que se ha descrito un tamaño de hasta 3 metros y un peso de 300 kg.[1]​

Géneros

Existen 30 especies válidas, agrupadas en los siguientes 4 géneros:[3]​

Subgenus Pangasius

Subgenus Pteropangasius Fowler, 1937 (junior synonym of genus Pseudolais Vaillant, 1902 in Ferraris, 2007)

Referencias

  1. ↑ a b c d Nelson, J.S. (1994). Fishes of the world (en inglés) (3ª edición edición). Nueva York: John Wiley & Sons, Inc. pp. 600 p. 
  2. ↑ Berg, L.S. (1958). System der rezenten und fossilen Fischartigen und Fische (en alemán). Berlín: VEB Verlag der Wissenschaften. 
  3. ↑ "Pangasiidae". En FishBase (Rainer Froese y Daniel Pauly, eds.). Consultada en julio de 2009. N.p.: FishBase, 2009.
  4. ↑ Ferraris, Carl J., Jr. (2007). «Checklist of catfish, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types». Zootaxa (en inglés) 1418 (1–628): 324. doi:10.11646/zootaxa.1418.1.1. 

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