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Browsing by Author "Dutra, Guilherme Moreira"

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The Description of a Rare and Critically Endangered Species of Ghost Knifefish from the Amazon Basin (Ostariophysi: Gymnotiformes: Apteronotidae)

Wanderley Peixoto, Luiz Antonio; Dutra, Guilherme Moreira; Datovo, Alessio; Menezes, Naercio Aquino; De Santana, Carlos David (2021)

A new species of ghost knifefish is described from the Rio Uatuma at Cachoeira do Miriti, Amazon basin, Brazil. It is distinguished from all species of Apteronotus by the absence of a clear stripe from the chin to the ...
Morphology-based phylogeny of Eigenmanniinae Mago-Leccia, 1978 (Teleostei: Gymnotiformes: Sternopygidae), with a new classification

Dutra, Guilherme Moreira; Wanderley Peixoto, Luiz Antonio; Abrahao, Vitor Pimenta; Wosiacki, Wolmar Benjamin; Menezes, Naercio Aquino; Santana, Carlos David (2021)

We advance on the knowledge of Eigenmanniinae by proposing a hypothesis of phylogenetic relationships based on the parsimony analysis of a diverse set of 144 anatomical characters, 12% of them treated as quantitative and ...
A new species of Amazonian bluntnose knifefish <I>Brachyhypopomus</I> (Gymnotiformes: Hypopomidae), with comments on its phylogenetic position

Dutra, Guilherme Moreira; Peixoto, Luiz Antônio Wanderley; Ochoa, Luz Eneida; Ohara, Willian Massaharu; de Santana, Carlos David; Menezes, Naércio Aquino; Datovo, Aléssio (2021)
A new species of Eigenmannia Jordan & Evermann (Teleostei: Gymnotiformes: Sternopygidae) from Rio Ventuari, Venezuela

Dutra, Guilherme Moreira; Wanderley Peixoto, Luiz Antonio; De Santana, Carlos David; Wosiacki, Wolmar Benjamin (2018)

A new species of Eigenmannia is described from the Rio Ventuari, Rio Orinoco basin, Venezuela. It is distinguished from congeners by the presence of a bony dorsolateral flange on the dentary, the presence of teeth attached ...
A New Species of the Electric Fish Genus <I>Hypopygus</I> (Gymnotiformes: Hypopomidae) from the Lower Amazon Basin, Brazil

Peixoto, Luiz Antônio Wanderley; Dutra, Guilherme Moreira; de Santana, Carlos David; Wosiacki, Wolmar Benjamin (2013)
A New Species of the Glass Electric Knifefish Genus Eigenmannia Jordan and Evermann (Teleostei: Gymnotiformes: Sternopygidae) from Río Tuíra Basin, Panama

Dutra, Guilherme Moreira; de Santana, Carlos David; Wolmar, Benjamin Wosiacki (2017)

A new species of Eigenmannia is described from the Río Pucuro, Río Tuíra basin, Panama. It is diagnosed from all congeners by the position of the mouth, the color pattern, the number of anal-fin rays, the number of scales ...
The pseudotympanum in the Gymnotiformes (Teleostei, Ostariophysi, Otophysi): homology and evolution of a previously unexplored system in Neotropical electric fishes

Dutra, Guilherme Moreira; Jerep, Fernando C.; Vari, Richard P.; de Santana, Carlos David (2015)

The pseudotympanum, a reduction of the hypaxialis muscle in the body wall lateral to the anterior portion of the swim bladder, is unique to some members of the Otophysi, the largest clade of primarily freshwater fishes. ...

Browsing by Author "Dutra, Guilherme Moreira"

Browsing by Author "Dutra, Guilherme Moreira"

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