Publications des scientifiques de l'IRD

Afonso G. V. F., Di Dario F., Eduardo L. N., Lucena-Fredou F., Bertrand Arnaud, Mincarone M. M. (2021). Taxonomy and distribution of deep-sea bigscales and whalefishes (Teleostei : Stephanoberycoidei) collected off Northeastern Brazil, including seamounts and oceanic islands. Ichthyology and Herpetology, 109 (2), p. 467-488. ISSN 2766-1512.

Titre du document
Taxonomy and distribution of deep-sea bigscales and whalefishes (Teleostei : Stephanoberycoidei) collected off Northeastern Brazil, including seamounts and oceanic islands
Année de publication
2021
Type de document
Article référencé dans le Web of Science WOS:000692956700010
Auteurs
Afonso G. V. F., Di Dario F., Eduardo L. N., Lucena-Fredou F., Bertrand Arnaud, Mincarone M. M.
Source
Ichthyology and Herpetology, 2021, 109 (2), p. 467-488 ISSN 2766-1512
Despite the increasing number of studies on the systematics of the Stephanoberycoidei (bigscales, pricklefishes, gibberfishes, hispidoberycids, and whalefishes) globally, knowledge about the diversity and distribution of the group in the western South Atlantic still remains fragmentary. In this study, we present new anatomical (meristic and morphometric) and distributional data for 18 species of the Stephanoberycoidei based on the examination of 150 specimens recently collected during the ABRACOS (Acoustics along the BRAzilian COaSt) expeditions off northeastern Brazil, including the Rocas Atoll, Fernando de Noronha Archipelago, and the seamounts off Rio Grande do Norte State, and additional museum specimens. In the Melamphaidae, remarks on the taxonomy of Melamphaes polylepis and of the Poromitra crassiceps and P. megalops species groups are made based on specimens examined. In addition, Scopeloberyx opercularis, currently considered as a junior synonym of Scopeloberyx robustus, is recognized as a valid species. Among the species identified, nine have their distributions extended in the western South Atlantic based on confirmed records: Melamphaes polylepis, M. typhlops, Poromitra megalops, Poromitra sp., Scopeloberyx opercularis, Scopeloberyx opisthopterus, Scopelogadus mizolepis, Cetostoma regani, and Rondeletia loricata. Eight further species are reported for the first time in Brazilian waters: Cetomimus sp. 1, Cetomimus sp. 2, Ditropichthys storeri, Gyrinomimus bruuni, Melamphaes eulepis, M. leprus, M. longivelis, and Melamphaes sp. Additional remarks on the taxonomy and distribution of the Stephanoberycoidei in the western South Atlantic are also provided.
Plan de classement
Limnologie biologique / Océanographie biologique [034]
Description Géographique
BRESIL ; NORDESTE ; ATLANTIQUE SUD ; ROCAS ATOLL ; FERNANDO DE NORONHA ARCHIPEL ; RIO GRANDE DO NORTE MONT SOUS MARIN
Localisation
Fonds IRD [F B010082793]
Identifiant IRD
fdi:010082793
Contact