2014
DOI: 10.1590/1982-0224-20130168
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Abstract: Characidium samurai, a species of the family Crenuchidae apparently endemic to rio das Almas and rio Vermelho basins, Bahia, Brazil, is described. The new species is readily distinguishable from its congeners, except C. lanei, by having a dark lateral band along the head and body that is particularly broad from the rear of the head to the end of the caudal peduncle (1.5 or 2 scales wide) and by the absence of dark bars or blotches on the ventral half of the body. Characidium samurai differs from C. laneiby hav… Show more

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Cited by 859 publications
(9 citation statements)
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“…However, in these species the pseudotympanum has oval hiatus with anterior and posterior margins somewhat pointed (Fig. 2), instead of having the triangular overall form and more rounded apertures present in C. bahiense and C. samurai or the elongate form present in C. timbuiense (see Zanata & Camelier, 2014).…”
Section: Discussionmentioning
confidence: 99%
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“…However, in these species the pseudotympanum has oval hiatus with anterior and posterior margins somewhat pointed (Fig. 2), instead of having the triangular overall form and more rounded apertures present in C. bahiense and C. samurai or the elongate form present in C. timbuiense (see Zanata & Camelier, 2014).…”
Section: Discussionmentioning
confidence: 99%
“…Recently, Zanata & Camelier (2014) provided a somewhat detailed description of the pseudotympanum of C. bahiense, C. bimaculatum, C. samurai, and C. timbuiense. The pseudotympana of C. deludens and C. kamakan are similar to the overall structure described previously for those four species.…”
Section: Discussionmentioning
confidence: 99%
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“…Characidium iaquira is the distal tip of the first four or five pectoral-fin rays which protrudes beyond the margin of the inter-radial membranes, somewhat similar to the condition described in C. cf. timbuiense (Buckup et al, 2000) and C. kamakan (Zanata & Camelier, 2014). The cottid Myoxocephalus scorpius (Linnaeus 1758) and the balitorid Cryptotora thamicola (Kottelat 1988) display a similar pattern in which the distal tips of rays almost act like fingers and are used for gripping the substrate to prevent displacement in flow (Flammang et al, 2016;Webb, 1989).…”
Section: Extreme Morphological Adaptations Related To Life In Fast-mentioning
confidence: 99%
“…Characidium is the largest genus within Crenuchidae and is widely distributed throughout the Neotropical region [ 1 ], comprising approximately 71 valid species [ 2 ]. However, the phylogenetic relationships within this genus are still poorly known, possibly because of the high number of undescribed species and the absence of derived characters [ 3 5 ].…”
Section: Introductionmentioning
confidence: 99%