Geophagus sp Aripuanã have been described

New cichlid species and taxonomy
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Florent
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Geophagus sp Aripuanã have been described

Post by Florent » Sun Dec 28, 2014 2:39 am

Full paper availabel here : http://www.ufrgs.br/ni/niv12n04/NI-2014-0038.pdf

A new colorful species of Geophagus (Teleostei: Cichlidae), endemic to the rio Aripuanã in the Amazon basin of Brazil
Gabriel C. Deprá, Sven O. Kullander, Carla S. Pavanelli and Weferson J. da Graça

Geophagus mirabilis, new species, is endemic to the rio Aripuanã drainage upstream from Dardanelos/Andorinhas falls.
The new species is distinguished from all other species of the genus by the presence of one to five large black spots arranged
longitudinally along the middle of the flank, in addition to the black midlateral spot that is characteristic of species in the
genus and by a pattern of iridescent spots and lines on the head in living specimens. It is further distinguished from all
congeneric species, except G. camopiensis and G. crocatus, by the presence of seven (vs. eight or more) scale rows in the
circumpeduncular series below the lateral line (7 in G. crocatus; 7-9 in G. camopiensis). Including the new species, five
cichlids and 11 fish species in total are known only from the upper rio Aripuanã, and 15 fish species in total are known only
from the rio Aripuanã drainage.
Geophagus mirabilis, espécie nova, é endêmica da drenagem do rio Aripuanã, a montante das quedas de Dardanelos/
Andorinhas. A espécie nova se distingue de todas as outras espécies do gênero pela presença de uma a cinco manchas
pretas grandes distribuídas longitudinalmente ao longo do meio do flanco, em adição à mancha preta no meio do flanco
característica das espécies do gênero, e por um padrão de pontos e linhas iridescentes sobre a cabeça em espécimes vivos.
Além disso, se distingue de todas as espécies congêneres, exceto G. camopiensis e G. crocatus, pela presença de sete (vs. oito
ou mais) séries de escamas na série circumpeduncular abaixo da linha lateral (7 em G. crocatus; 7-9 em G. camopiensis).
Com a espécie nova existem cinco ciclídeos, e ao todo 11 espécies de peixe conhecidas somente do alto rio Aripuanã, e ao
todo 15 espécies de peixe conhecidas apenas da bacia do rio Aripuanã.

Key words: Geophagini, Geophaginae, Endemism, Taxonomy, Neotropical Region

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Philippe Burnel
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Re: Geophagus sp Aripuanã have been described

Post by Philippe Burnel » Sun Dec 28, 2014 3:51 am

Merci Florent

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DRE
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Re: Geophagus sp Aripuanã have been described

Post by DRE » Sun Dec 28, 2014 3:52 am

Stort tack, David
Discovery consists of looking at the same thing as everyone else and thinking something different

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Re: Geophagus sp Aripuanã have been described

Post by DRE » Sun Dec 28, 2014 6:32 am

Does anyone have a list of the species that also only exist in the upper part of rio aripuana?
One mentioned was Crenicichla hemera, should be 3 more?
Discovery consists of looking at the same thing as everyone else and thinking something different

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Florent
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Re: Geophagus sp Aripuanã have been described

Post by Florent » Sun Dec 28, 2014 10:38 am

Aequidens gerciliae is another one.

Edit :

In Aequidens gerciliae description are mentionned : Crenicichla gunetheri, C. isbrueckeri, C. pellegrini and A. tetramerus.
I guess one or two Crenicichla are now synonyms ... so you have the species

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Re: Geophagus sp Aripuanã have been described

Post by DRE » Mon Dec 29, 2014 2:22 am

Thanks!
Discovery consists of looking at the same thing as everyone else and thinking something different

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