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Artigo Revisado por pares

Christopher M. Martinez, Jairo Arroyave, John S. Sparks,

... new species in the endemic Malagasy cichlid genus Ptychochromis. Ptychochromis mainty, new species, is known from four individuals, ... morphology (eastern-type palatine) with other eastern congeners. Ptychochromis mainty is distinguished from all congeners by a ... new species is further distinguished from other eastern Ptychochromis species by having minimal or no overlap of ... present a molecular-based phylogeny for all available Ptychochromis species, which supports the hypothesis that P. mainty ...

Tópico(s): Fish biology, ecology, and behavior

2015 - Q15088586 | Zootaxa

Artigo Acesso aberto Revisado por pares

Melanie L. J. Stiassny, John S. Sparks,

The Malagasy cichlid genus Ptychochromis is revised and five new species are described, one of which is presumed to be extinct. The three valid nominal ... combination of mitochondrial and nuclear genes is presented. Ptychochromis is diagnosed by a suite of derived features ... palatine morphology. In addition, the sister taxon to Ptychochromis, Ptychochromoides katria, is removed from Ptychochromoides and placed ... a slender caudal peduncle. An unnamed clade comprising Ptychochromis and Katria is diagnosed by a suite of ...

Tópico(s): Ichthyology and Marine Biology

2006 - American Museum of Natural History | American Museum Novitates

Artigo

John S. Sparks,

Ptychochromis inornatus, n. sp., is described from the Ankofia basin, northwestern Madagascar. The new species is diagnosed ... supraoccipital crest, and red fin coloration in life. Ptychochromis inornatus is endemic to the Ankofia drainage basin, ... Andrapongy and its surrounding drainages. Intrageneric variation within Ptychochromis is also discussed and comparisons made to the ...

Tópico(s): Ichthyology and Marine Biology

2002 - American Society of Ichthyologists and Herpetologists | Copeia

Artigo Revisado por pares

John S. Sparks, Melanie L. J. Stiassny,

... species belonging to the endemic Malagasy cichlid genus Ptychochromis is described. Ptychochromis ernestmagnusi is known only from the middle to ... new species is placed among the species of Ptychochromis considered to have an eastern-type palatine morphology ... distinguished from members of the “western clade” of Ptychochromis by anterior displacement of the first supraneural such ... dorsoposterior margin of the supraoccipital. Among species of Ptychochromis with eastern-type palatine morphology, P. ernestmagnusi shares ...

Tópico(s): Fish Ecology and Management Studies

2010 - Q15088586 | Zootaxa

Artigo Revisado por pares

John S. Sparks,

... southern India and Sri Lanka), and Ptychochrominae, comprising Ptychochromis, Ptychochromoides, and Oxylapia, all endemic Malagasy genera. Placement ...

Tópico(s): Ichthyology and Marine Biology

2003 - Elsevier BV | Molecular Phylogenetics and Evolution

Artigo Acesso aberto Revisado por pares

Tomáš Scholz, Andrea Vetešníková Šimková, J. Rasamy Razanabolana, Roman Kuchta,

... of the infection of a native cichlid fish, Ptychochromis cf. inornatus (Perciformes: Cichlidae), endemic to Madagascar, with ...

Tópico(s): Myxozoan Parasites in Aquatic Species

2018 - De Gruyter Open | Helminthologia

Artigo Acesso aberto

Ranalison Oliarinony, Rakotomamonjy Lovaharisoa,

... Paratilapia sp.Nosy Be, Paratilapia sp.smallspots Est, Ptychochromis sp.Nosy be and Paretroplus sp.Lokoho.Morphological ...

Tópico(s): Aquatic Ecosystems and Biodiversity

2018 - MedCrave Group | Biodiversity International Journal

Artigo Acesso aberto Brasil Produção Nacional Revisado por pares

Cintia Oliveira Carvalho, Melina Pazirgiannidi, Tsilavina Ravelomanana, Fetra Andriambelomanana, Audun Schrøder‐Nielsen, Jonathan Stuart Ready, Hugo de Boer, Charles-Edouard Fusari, Quentin Mauvisseau,

... of this and other threatened fish species including Ptychochromis insolitus and Paretroplus gymnopreopercularis, and to understand freshwater ...

Tópico(s): Identification and Quantification in Food

2024 - Nature Portfolio | Scientific Reports

Artigo Acesso aberto Revisado por pares

... Th,; frontal gibbosity in fishes of the genus Ptychochromis : Jacques Pellegrin.-Theduration of the larval life of ...

1907 - Nature Portfolio | Nature