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      A new colorful species of Geophagus (Teleostei: Cichlidae), endemic to the rio Aripuanã in the Amazon basin of Brazil

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          Abstract

          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. camopiensisand 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.

          Translated abstract

          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.

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          Most cited references42

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          Cichlid fishes of the Amazon River drainage of Peru

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            Catalog of fishes: genera, species, references

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              Revised procedures for staining and clearing small fishes and other vertebrates for bone and cartilage study

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ni
                Neotropical Ichthyology
                Neotrop. ichthyol.
                Sociedade Brasileira de Ictiologia (Maringá )
                1982-0224
                December 2014
                : 12
                : 4
                : 737-746
                Affiliations
                [1 ] Universidade Estadual de Maringá Brazil
                [2 ] Swedish Museum of Natural History Sweden
                [3 ] Universidade Estadual de Maringá Brazil
                [4 ] Universidade Estadual de Maringá Brazil
                Article
                S1679-62252014000400737
                10.1590/1982-0224-20140038
                66444196-05e1-4f19-8a98-88884f6b019b

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1679-6225&lng=en
                Categories
                ZOOLOGY

                Animal science & Zoology
                Animal science & Zoology

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