The gas bladder of puffers and porcupinefishes (Acanthomorpha: Tetraodontiformes): Phylogenetic interpretations - Université Pierre et Marie Curie Access content directly
Journal Articles Journal of Morphology Year : 2014

The gas bladder of puffers and porcupinefishes (Acanthomorpha: Tetraodontiformes): Phylogenetic interpretations

Abstract

The anatomy of the gas bladder of Diodontidae (porcupinefishes) and Tetraodontidae (pufferfishes) was studied on the basis of dissections and magnetic resonance imaging. Among the examined taxa of Tetraodontiformes, only puffers and porcupinefishes possess a thick walled and dorsally U-shaped or crescent-moon-shaped gas bladder. In the tetraodontid genus Lagocephalus the gas bladder is reduced to a rudiment. The species belonging to the genera Canthigaster, Arothron, and some species of Tetraodon differ in the positioning of their crescent-moon-shaped gas bladder. These observations confirm the close relationship of: (i) Diodontidae and Tetraodontidae and (ii) Canthigaster, Arothron, and some species of Tetraodon. The heterogeneity of the genus Tetraodon is supported by the gas bladder morphology, as previously suggested by molecular studies.
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Dates and versions

hal-04042399 , version 1 (23-03-2023)

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Bruno Chanet, Claude Guintard, Guillaume Lecointre. The gas bladder of puffers and porcupinefishes (Acanthomorpha: Tetraodontiformes): Phylogenetic interpretations. Journal of Morphology, 2014, 275 (8), pp.894 - 901. ⟨10.1002/jmor.20266⟩. ⟨hal-04042399⟩
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