2013
DOI: 10.1590/s1679-62252013000100006
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Abstract: The genus Listrura, Glanapteryginae, currently comprises six valid species of small and elongated trichomycterid catfishes that inhabit coastal plains of Southern and Southeastern Brazil. As primarily fossorial dwellers, species of the genus display unusual morphological adaptations and restricted habitats, which make these fishes particularly susceptible to environmental disturbance. Listrura camposi is poorly known and ranked as a Critically Endangered catfish species, according to current Brazilian list of … Show more

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Cited by 4 publications
(12 citation statements)
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“…However, there was no clear evidence that the morphological traits occurring in glanapterygines and in Listrura described by Baskin () and de Pinna (), respectively, are in fact homologous conditions. In all species of the genera Glanapteryx , Pygidianops and Typhlobelus (=Glanapteryginae sense Baskin, ; Myers, , and hereafter), the pectoral fin is rudimentary or absent (Costa & Bockmann, ; Myers, ; de Pinna, , ; de Pinna & Kirovsky, ; de Pinna & Zuanon, ; Schaefer et al, ), whereas in Listrura the pectoral fin is well‐developed, but containing few rays (one to four; Landim & Costa, ; de Pinna, ; de Pinna & Wosiacki, ; Villa‐Verde & Costa, ; Villa‐Verde, Ferrer, et al, ; Villa‐Verde et al, ; Villa‐Verde, Lima, et al, ). Therefore, the morphological conditions in Glanapteryginae and Listrura are not comparable, since the first one consists of a neomorphic character, and the second one involves a transformational character (sense Sereno, ), and thus cannot be considered as homologous.…”
Section: Discussionmentioning
confidence: 99%
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“…However, there was no clear evidence that the morphological traits occurring in glanapterygines and in Listrura described by Baskin () and de Pinna (), respectively, are in fact homologous conditions. In all species of the genera Glanapteryx , Pygidianops and Typhlobelus (=Glanapteryginae sense Baskin, ; Myers, , and hereafter), the pectoral fin is rudimentary or absent (Costa & Bockmann, ; Myers, ; de Pinna, , ; de Pinna & Kirovsky, ; de Pinna & Zuanon, ; Schaefer et al, ), whereas in Listrura the pectoral fin is well‐developed, but containing few rays (one to four; Landim & Costa, ; de Pinna, ; de Pinna & Wosiacki, ; Villa‐Verde & Costa, ; Villa‐Verde, Ferrer, et al, ; Villa‐Verde et al, ; Villa‐Verde, Lima, et al, ). Therefore, the morphological conditions in Glanapteryginae and Listrura are not comparable, since the first one consists of a neomorphic character, and the second one involves a transformational character (sense Sereno, ), and thus cannot be considered as homologous.…”
Section: Discussionmentioning
confidence: 99%
“…Similarly, in the Glanapteryginae, the dorsal fin is always absent (Costa & Bockmann, ; Myers, ; de Pinna, , ; de Pinna & Kirovsky, ; de Pinna & Zuanon, ; Schaefer et al, ), whereas in the two species of Listrura reported by de Pinna () the dorsal fin is small but well developed. Although more recently some species of Listrura have been reported to not having dorsal fin (de Pinna & Wosiacki, ; Villa‐Verde, Lima, et al, ), the condition found in most species of Listrura consisting of a small but well‐developed dorsal fin with segmented rays (Landim & Costa, ; de Pinna, ; Villa‐Verde & Costa, ; Villa‐Verde, Ferrer, et al, ; Villa‐Verde Lazzarotto & Lima, ; Villa‐Verde, Lima, et al, ) and that described for glanapterygines are also not comparable. Even among species of Listrura , dorsal fin loss has been considered as independent evolutionary events (Villa‐Verde, Lima, et al, ).…”
Section: Discussionmentioning
confidence: 99%
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