Natural history ofCopionodon pecten, an endemic trichomycterid catfish from Chapada Diamantina in northeastern Brazil

2013 ◽  
Vol 48 (3-4) ◽  
pp. 203-228 ◽  
Author(s):  
A.M. Zanata ◽  
C. Primitivo
Keyword(s):  
Natural History ◽  
Northeastern Brazil ◽  
Chapada Diamantina

scholarly journals The blind catfish from the caves of Chapada Diamantina, Bahia, Brazil (Siluriformes: Heptapteridae): description, anatomy, phylogenetic relationships, natural history, and biogeography

2010 ◽  
Vol 8 (4) ◽  
pp. 673-706 ◽  
Author(s):  
Flávio A. Bockmann ◽  
Ricardo M. C. Castro
Keyword(s):  
Natural History ◽  
Lateral Line ◽  
Morphological Plasticity ◽  
Transverse Process ◽  
Sister Group ◽  
Northeastern Brazil ◽  
Caudal Fin ◽  
Chapada Diamantina ◽  
Fin Rays ◽  
Group Relationships

Rhamdiopsis krugi, a new troglobitic heptapterid catfish, is described from the caves of Chapada Diamantina, State of Bahia, northeastern Brazil. This species, although frequently cited in the scientific literature along the last seventeen years, remained undescribed largely due to its uncertain phylogenetic affinities. The generic assignment of R. krugi was clouded largely by its high number of unusual morphological features (some related to cave life), for instance: absence of eyes and body pigmentation; presence of a widely exposed pseudotympanum; posterior border of the anterior branch and anterior margin of the arborescent portion of the posterior branch of the transverse process of fourth vertebra joined; dorsal hypural plate commonly with seven rays; ventral caudal plate usually with six rays; dorsal and ventral caudal-fin lobes typically with six branched fin rays each; 38-39 vertebrae; anal fin with 14-17 rays; and lateral line very short. Rhamdiopsis krugi can be easily distinguished from its congeners, R. microcephala and R. moreirai, by its troglomorphic features and by the presence of a shorter lateral line, fewer vertebrae and anal-fin rays, pattern of branching of caudal-fin rays, and several attributes of skeletal system. The affinities of this new species are discussed in light of current phylogenetic knowledge of the family Heptapteridae. Incongruent derived characters do not allow selection of a particular hypothesis of sister group relationships among species of Rhamdiopsis. The occurrence of R. krugi in the rio Paraguaçu basin is possibly due to an event of hydrological capture from a section of the middle portion of the rio São Francisco basin, caused by tectonic events. The semi-arid region where R. krugi presently lives was probably covered by a wide forested area during a humid cycle in Quaternary. A summary of natural history and ecology data of R. krugi, as well as notes on its conservation, are provided. We also offer comments on the morphological plasticity of R. krugi.

scholarly journals A new Moenkhausia Eigenmann, 1903 (Ostariophysi: Characiformes) from Chapada Diamantina, rio Paraguaçu Basin, Bahia, Northeastern Brazil

2007 ◽  
Vol 5 (3) ◽  
pp. 259-262 ◽  
Author(s):  
Ricardo C. Benine ◽  
Ricardo M. C. Castro ◽  
Alexandre C. A. Santos
Keyword(s):  
New Species ◽  
Color Pattern ◽  
Northeastern Brazil ◽  
Body Color ◽  
Median Line ◽  
Chapada Diamantina ◽  
Fin Rays

Moenkhausia diamantina, new species, is described from tributaries of the rio Paraguaçu, BA, northeastern Brazil. This species is distinguished from all congeners by features of body color pattern, the presence of scales on the predorsal median line and the number of anal-fin rays.

scholarly journals Natural History of Leishmania (Leishmania) chagasi infection in Northeastern Brazil: Long-Term Follow-Up

2000 ◽  
Vol 30 (3) ◽  
pp. 608-609 ◽  
Author(s):  
S. M. B. Jeronimo ◽  
M. J. Teixeira ◽  
A. d. Q. Sousa ◽  
P. Thielking ◽  
R. D. Pearson ◽  
...  
Keyword(s):  
Natural History ◽  
Northeastern Brazil ◽  
Leishmania Chagasi ◽  
Long Term Follow Up ◽  
History Of

Macro and microcharacters reveal a new species of Dichanthelium (Poaceae, Panicoideae) endemic to sandy soils of the Chapada Diamantina, Bahia, northeastern Brazil

Phytotaxa ◽  
2020 ◽  
Vol 447 (3) ◽  
pp. 149-162
Author(s):  
ANDREZA O. MATOS ◽  
JOSEANE S. CARNEIRO ◽  
IASMIN L. C. OLIVEIRA ◽  
KELLY R. B. LEITE ◽  
CHRISTIAN SILVA ◽  
...  
Keyword(s):  
New Species ◽  
Conservation Status ◽  
Sandy Soils ◽  
Northeastern Brazil ◽  
Campo Rupestre ◽  
Chapada Diamantina ◽  
The Family ◽  
Northern Portion ◽  
Status Assessment ◽  
Reproductive Characters

Dichanthelium is a genus belonging to the family Poaceae, included in the subfamily Panicoideae. It is widely distributed on the American continent, from Canada to Argentina. In Brazil, several species are endemic, mainly to the Chapada Diamantina, the Bahian portion of the Espinhaço range. One of them, D. cumbucana, has a problematic circumscription. During the preparation of a taxonomic account of Dichanthelium for Bahia, we found some specimens from Morro do Chapéu, a municipality of the northern portion of Chapada Diamantina, to be similar to D. cumbucana, but with distinguishing features. After morphological, anatomical and scanning electron microscopy (SEM) analyses, we found significant differences in the vegetative and reproductive characters of these specimens. Based on these data, we consider these specimens to be part of an independent taxon, herein described as the new species D. arenicola, which is only known from areas of sandy soils associated with “campo rupestre” vegetation. We also provide illustrations, data on habitat and distribution, as well as a conservation status assessment for the new species.

PERINOTIA DIAMANTINASP. NOV., A NEW DIATOM SPECIES FROM THE CHAPADA DIAMANTINA, NORTHEASTERN BRAZIL

2009 ◽  
Vol 24 (1) ◽  
pp. 79-100 ◽  
Author(s):  
Fernanda Ferrari ◽  
Carlos Eduardo Wetzel ◽  
Luc Ector ◽  
Saúl Blanco ◽  
João Cláudio Cerqueira Viana ◽  
...  
Keyword(s):  
Northeastern Brazil ◽  
Diatom Species ◽  
Chapada Diamantina

scholarly journals A new karyotype of Wiedomys pyrrhorhinus (Rodentia: Sigmodontinae) from Chapada Diamantina, northeastern Brazil

2011 ◽  
Vol 28 (1) ◽  
pp. 92-96 ◽  
Author(s):  
Ana L. G Souza ◽  
Margaret M. de O Corrêa ◽  
Cecília T. de Aguilar ◽  
Leila M Pessôa
Keyword(s):  
Northeastern Brazil ◽  
Chapada Diamantina

scholarly journals Predation of Hemidactylus mabouia (Sauria: Gekkonidae) by a vine snake Oxybelis aeneus  (Serpentes: Colubridae) in an Atlantic Forest fragment, Northeastern Brazil

2018 ◽  
Vol 2 (1) ◽  
pp. 67 ◽  
Author(s):  
Lissa Dellefrate Franzini ◽  
Carmem Karime Bacalháo Pedro ◽  
Lucas Barbosa De Queiroga Cavalcanti ◽  
Daniel Oliveira Mesquita
Keyword(s):  
Natural History ◽  
Alien Species ◽  
Scientific Literature ◽  
Northeastern Brazil ◽  
Forest Fragment ◽  
American Continent ◽  
Lizard Species ◽  
History Of ◽  
Historia Natural ◽  
Hemidactylus Mabouia

<p style="text-align: justify;"><em>Oxybelis aeneus</em> (Wagler, 1824) é uma espécie de serpente arborícola de ampla distribuição no continente americano cuja dieta é composta principalmente por vertebrados, como lagartos. Diversas espécies de lagartos já foram reportadas como presas desta serpente, incluindo a espécie exótica <em>Hemidactylus mabouia</em> (Moreau de Jonnèes, 1818). Aqui descrevemos em detalhes um evento de predação de <em>H. mabouia</em> por <em>O. aeneus</em>,  ampliando o conhecimento acerca da história natural  de ambas as espécies à literatura científica.</p><p style="text-align: justify;"><strong>Palavras chave</strong>: Dieta, ecologia alimentar, lagarto, presa, serpente.</p><p style="text-align: justify;"><strong>Abstract</strong>: <em>Oxybelis aeneus</em> (Wagler, 1824) is an arboreal snake species that is widely distributed in the American continent whose diet is composed mainly by vertebrates, such as lizards. Several lizard species have already been reported as prey of this snake, including the alien species <em>Hemidactylus mabouia</em> (Moreau de Jones, 1818). Herein we describe in details a predation event of <em>H. mabouia</em> by <em>O. aeneus</em>, widening our knowledge regarding the natural history of both species to scientific literature.</p><p style="text-align: justify;"><strong>Key words</strong>: Diet, feed ecology, lizard, prey, snake.</p>

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