Aerial respiration in the catfish, Eremophilus mutisii (Trichomycteridae, Siluriformes), in the Rio Bogota Basin, Colombia |
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| Authors: | P. Cala |
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| Affiliation: | Departamento de Biologia, Facultad de Ciencias, Universidad Nacional de Colombia, A A 23227-Bogotá, Colombia |
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| Abstract: | Eremophilus mutisii uses the stomach for aerial respiration. Inspiration is during a rapid dash to and from the surface. Air-breathing occurs in hypoxic and normoxic water, but is not obligatory. The evolution of a reduced swimbladder is associated with a benthic mode of life in E. mutisii. |
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