Journal Article

Ammoglanis multidentatus, a new miniature sanddwelling sarcoglanidine catfish with unique osteological features from northeastern Brazil (Siluriformes: Trichomycteridae)

Costa, W.J.E.M., Mattos, J.L.O. and Santos, A.C.A.

Record Number:
5428
Year:
2019
Journal:
Vertebrate Zoology
Pages:
61-67
Volume:
70
URL:
urn:lsid:zoobank.org:pub:5899FF19-AA21-4D25-AF05-FA6BCA2868C8.
Abstract:
Among the most interesting and poorly known groups of the South American fish fauna is the catfish trichomycterid subfamily Sarcoglanidinae that includes miniature psammophilic species. We herein describe a new species, Ammoglanis multidentatus sp. nov., with larger specimens reaching less than 20 mm of standard length. In contrast to other sarcoglanidines that are found in rivers draining rain-forests, this new species was collected in the Rio Paraguaçu basin, Brazilian semiarid Caatinga. Ammoglanis multidentatus differs from all other sarcoglanidines by some osteological features, comprising the presence of a ventral process on the sesamoid supraorbital in contact with the latero-posterior process of the autopalatine, a robust opercle with numerous odontodes, and a long anteroventral process of the opercle. The description of A. multidentatus expands the geographical range of Ammoglanis about 1000 km to east, which highly suggests that unknown species of Ammoglanis may occur in several other areas of South America, probably as a result of the absence of fish collections directed to sand habitats. Key words Biodiversity; Caatinga; Psammophily; Rio Paraguaçu basin; systematics.
Times Cited:
6
Related Records:
Costa, W.J.E.M. (1994)
A new genus and species of Sarcoglanidinae (Siluriformes: Trichomycteridae) from the Araguaia basin, central Brazil, with notes on subfamilial phylogeny
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Adriaens, D., Baskin, J.N. and Coppens, H. (2010)
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Costa, W.J.E.M., Mattos, J.L.O. and Santos, A.C.A. (2019)
Ammoglanis multidentatus, a new miniature sanddwelling sarcoglanidine catfish with unique osteological features from northeastern Brazil (Siluriformes: Trichomycteridae)
Costa, W.J.E.M., Mattos, J.L.O. and Santos, A.C.A. (2019)
Ammoglanis multidentatus, a new miniature sanddwelling sarcoglanidine catfish with unique osteological features from northeastern Brazil (Siluriformes: Trichomycteridae)
Costa, W.J.E.M., Mattos, J.L.O. and Santos, A.C.A. (2019)
Ammoglanis multidentatus, a new miniature sanddwelling sarcoglanidine catfish with unique osteological features from northeastern Brazil (Siluriformes: Trichomycteridae)
Costa, W.J.E.M., Mattos, J.L.O. and Santos, A.C.A. (2019)
Ammoglanis multidentatus, a new miniature sanddwelling sarcoglanidine catfish with unique osteological features from northeastern Brazil (Siluriformes: Trichomycteridae)
Costa, W.J.E.M., Mattos, J.L.O. and Santos, A.C.A. (2019)
Ammoglanis multidentatus, a new miniature sanddwelling sarcoglanidine catfish with unique osteological features from northeastern Brazil (Siluriformes: Trichomycteridae)
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Ammoglanis multidentatus, a new miniature sanddwelling sarcoglanidine catfish with unique osteological features from northeastern Brazil (Siluriformes: Trichomycteridae)
Henschel, E., Lujan, N.K. and Baskin, J.N. (2020)
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Henschel, E., Bragança, P.H.N., Rangel-Pereira, F. and Costa, W.J.E.M. (2020)
A new psammophilic species of the catfish genus Ammoglanis (Siluriformes, Trichomycteridae) from the Amazon River basin, northern Brazil
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Ammoglanis natgeorum, a new miniature pencil catfish (Siluriformes: Trichomycteridae) from the lower Atabapo River, Amazonas, Venezuela
Henschel, E., Bragança, P.H.N., Rangel-Pereira, F. and Costa, W.J.E.M. (2020)
A new psammophilic species of the catfish genus Ammoglanis (Siluriformes, Trichomycteridae) from the Amazon River basin, northern Brazil
Henschel, E., Lujan, N.K. and Baskin, J.N. (2020)
Ammoglanis natgeorum, a new miniature pencil catfish (Siluriformes: Trichomycteridae) from the lower Atabapo River, Amazonas, Venezuela
Henschel, E., Bragança, P.H.N., Rangel-Pereira, F. and Costa, W.J.E.M. (2020)
A new psammophilic species of the catfish genus Ammoglanis (Siluriformes, Trichomycteridae) from the Amazon River basin, northern Brazil
Henschel, E., Lujan, N.K. and Baskin, J.N. (2020)
Ammoglanis natgeorum, a new miniature pencil catfish (Siluriformes: Trichomycteridae) from the lower Atabapo River, Amazonas, Venezuela
Henschel, E., Bragança, P.H.N., Rangel-Pereira, F. and Costa, W.J.E.M. (2020)
A new psammophilic species of the catfish genus Ammoglanis (Siluriformes, Trichomycteridae) from the Amazon River basin, northern Brazil
Henschel, E., Bragança, P.H.N., Rangel-Pereira, F. and Costa, W.J.E.M. (2020)
A new psammophilic species of the catfish genus Ammoglanis (Siluriformes, Trichomycteridae) from the Amazon River basin, northern Brazil
Henschel, E., Bragança, P.H.N., Rangel-Pereira, F. and Costa, W.J.E.M. (2020)
A new psammophilic species of the catfish genus Ammoglanis (Siluriformes, Trichomycteridae) from the Amazon River basin, northern Brazil
Henschel, E., Lujan, N.K. and Baskin, J.N. (2020)
Ammoglanis natgeorum, a new miniature pencil catfish (Siluriformes: Trichomycteridae) from the lower Atabapo River, Amazonas, Venezuela