Buoyancy and aerial respiration: factors influencing the evolution of reduced swim-bladder volume of some Central American catfishes (Trichomycteridae, Callichthyidae, Loricariidae, Astroblepidae).
D000400:Air Sacs / Q000502:physiology*; D000818:Animals; D005075:Biological Evolution; D002489:Central America; D005399:Fishes / Q000502:physiology*; D012119:Respiration