2010
DOI: 10.1590/s1679-62252010000100007
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Abstract: Color pattern is recognized as an important characteristic for diagnosing Trichomycterus species and for elucidating their relationships. An analysis based on morphological and molecular data confirms the existence of a single species of Trichomycterus in the rio Itatinga, a costal river drainage on the escarpment of the Serra do Mar and the rio Claro on the upper course of the rio Tietê. The only species found, Trichomycterus iheringi, shows two clearly distinct patterns of body pigmentation and intermediate … Show more

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Cited by 14 publications
(16 citation statements)
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References 20 publications
(17 reference statements)
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“…Arratia et al (1978) reported variation in the color pattern of Trichomycterus mendozensis (= Silvinichthys mendozensis) related to the type of substrate. The variation observed by Silva et al (2010) and Arratia et al (1978) does not occur in Ituglanis ina where the color pattern is gray, darker on the back, with a bar on the base of the caudal-fin rays, without the presence of spots or lines in the entire size range (11.51 to 61.96 mm SL) (Fig. 3).…”
Section: Discussionmentioning
confidence: 96%
See 1 more Smart Citation
“…Arratia et al (1978) reported variation in the color pattern of Trichomycterus mendozensis (= Silvinichthys mendozensis) related to the type of substrate. The variation observed by Silva et al (2010) and Arratia et al (1978) does not occur in Ituglanis ina where the color pattern is gray, darker on the back, with a bar on the base of the caudal-fin rays, without the presence of spots or lines in the entire size range (11.51 to 61.96 mm SL) (Fig. 3).…”
Section: Discussionmentioning
confidence: 96%
“…This color pattern is not shared with other species of Trichomycteridae (except for Glaphyropoma rodriguesi; Copionodontinae), nor Nematogenis inermis (Nematogenyidae), sister group of Trichomycteridae. Silva et al (2010) observed that young specimens (30.9 mm SL) of Trichomycterus iheringi have a light ground color, with large blotches on the back and flanks that gradually decrease in size and increase in number in larger specimens, showing that color pattern may have notable ontogenetic variation. Arratia et al (1978) reported variation in the color pattern of Trichomycterus mendozensis (= Silvinichthys mendozensis) related to the type of substrate.…”
Section: Discussionmentioning
confidence: 97%
“…Trichomycterus poikilos demonstrates intraspecific ontogenetic color pattern variation. Although Bockmann & Sazima (2004) considered the body pigmentation pattern highly conserved in known species of Trichomycterus, a intraspecific variation in coloration is present in T. caipora Lima, Lazzarotto & Costa, 2008(Lima et al, 2008, in T. iheringi (Eigenmann, 1917) associated to body size and microhabitat preference (da Silva et al, 2010), and in T. santanderensis CastellanosMorales, 2007. The ontogenetic variation in T. poikilos is clear in lot UFRGS 14992 (six specimens with 40.5-92.5 mm SL), in which the smallest specimens have one obvious midlateral stripe on the body that gradually become indistinguishable in the largest specimens (Fig.…”
Section: Coloration In Alcoholmentioning
confidence: 99%
“…Natural occurrence of the same species in two isolated basins (i.e., coastal drainages and upper rio Tietê) has been widely documented in the literature since Langeani (1989), as well as by Ribeiro et al (2006), Serra et al, (2007), Silva et al (2010), and Marceniuk et al (2011). Despite this evidence, this does not seem to be the case for the H. flammeus distribution.…”
Section: Discussionmentioning
confidence: 92%