Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae)
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Neotropical ichthyology (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252022000100206 |
Resumo: | Abstract We described the early development of Myloplus asterias and M. lobatus, two fish species of the Serrasalmidae using morphological, meristic, and morphometric characteristics. These herbivores serrasalmids are heavily fished because of their commercial importance in the Amazon. The individuals were collected between 2016 and 2020 in the limnetic zone of open water and macrophyte stands in the Lower Amazon River floodplain. We tested different growth models to identify the development pattern of these species. During the initial ontogeny, these two species can be differentiated mainly by the myomeres total number, 37 to 39 in M. asterias vs. 40 to 41 in M. lobatus, the pigmentation pattern, and dorsal-fin ray numbers. These characteristics are effective in distinguishing these species from other serrasalmids. The morphometric relationships were also different between these two species, showing distinct patterns in growth between the analyzed features. An identification key for larvae of some sympatric Serrasalmidae species from the Amazon basin is presented. Our expectation is that this study will contribute to the knowledge of the initial ontogeny and the biology of fish species in the Neotropical region. |
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Neotropical ichthyology (Online) |
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Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae)Fish larvaeIdentification keyMyloplus asteriasMyloplus lobatusOntogenyAbstract We described the early development of Myloplus asterias and M. lobatus, two fish species of the Serrasalmidae using morphological, meristic, and morphometric characteristics. These herbivores serrasalmids are heavily fished because of their commercial importance in the Amazon. The individuals were collected between 2016 and 2020 in the limnetic zone of open water and macrophyte stands in the Lower Amazon River floodplain. We tested different growth models to identify the development pattern of these species. During the initial ontogeny, these two species can be differentiated mainly by the myomeres total number, 37 to 39 in M. asterias vs. 40 to 41 in M. lobatus, the pigmentation pattern, and dorsal-fin ray numbers. These characteristics are effective in distinguishing these species from other serrasalmids. The morphometric relationships were also different between these two species, showing distinct patterns in growth between the analyzed features. An identification key for larvae of some sympatric Serrasalmidae species from the Amazon basin is presented. Our expectation is that this study will contribute to the knowledge of the initial ontogeny and the biology of fish species in the Neotropical region.Sociedade Brasileira de Ictiologia2022-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252022000100206Neotropical Ichthyology v.20 n.1 2022reponame:Neotropical ichthyology (Online)instname:Sociedade Brasileira de Ictiologia (SBI)instacron:SBI10.1590/1982-0224-2021-0024info:eu-repo/semantics/openAccessOliveira,Lucas Silva deCajado,Ruineris AlmadaSilva,Fabíola Katrine Souza daAndrade,Marcelo CostaZacardi,Diego Maiaeng2022-04-05T00:00:00Zoai:scielo:S1679-62252022000100206Revistahttp://www.ufrgs.br/ni/https://old.scielo.br/oai/scielo-oai.php||neoichth@nupelia.uem.br1982-02241679-6225opendoar:2022-04-05T00:00Neotropical ichthyology (Online) - Sociedade Brasileira de Ictiologia (SBI)false |
dc.title.none.fl_str_mv |
Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae) |
title |
Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae) |
spellingShingle |
Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae) Oliveira,Lucas Silva de Fish larvae Identification key Myloplus asterias Myloplus lobatus Ontogeny |
title_short |
Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae) |
title_full |
Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae) |
title_fullStr |
Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae) |
title_full_unstemmed |
Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae) |
title_sort |
Early development of two commercially valuable fish from the lower Amazon River, Brazil (Characiformes: Serrasalmidae) |
author |
Oliveira,Lucas Silva de |
author_facet |
Oliveira,Lucas Silva de Cajado,Ruineris Almada Silva,Fabíola Katrine Souza da Andrade,Marcelo Costa Zacardi,Diego Maia |
author_role |
author |
author2 |
Cajado,Ruineris Almada Silva,Fabíola Katrine Souza da Andrade,Marcelo Costa Zacardi,Diego Maia |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Oliveira,Lucas Silva de Cajado,Ruineris Almada Silva,Fabíola Katrine Souza da Andrade,Marcelo Costa Zacardi,Diego Maia |
dc.subject.por.fl_str_mv |
Fish larvae Identification key Myloplus asterias Myloplus lobatus Ontogeny |
topic |
Fish larvae Identification key Myloplus asterias Myloplus lobatus Ontogeny |
description |
Abstract We described the early development of Myloplus asterias and M. lobatus, two fish species of the Serrasalmidae using morphological, meristic, and morphometric characteristics. These herbivores serrasalmids are heavily fished because of their commercial importance in the Amazon. The individuals were collected between 2016 and 2020 in the limnetic zone of open water and macrophyte stands in the Lower Amazon River floodplain. We tested different growth models to identify the development pattern of these species. During the initial ontogeny, these two species can be differentiated mainly by the myomeres total number, 37 to 39 in M. asterias vs. 40 to 41 in M. lobatus, the pigmentation pattern, and dorsal-fin ray numbers. These characteristics are effective in distinguishing these species from other serrasalmids. The morphometric relationships were also different between these two species, showing distinct patterns in growth between the analyzed features. An identification key for larvae of some sympatric Serrasalmidae species from the Amazon basin is presented. Our expectation is that this study will contribute to the knowledge of the initial ontogeny and the biology of fish species in the Neotropical region. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252022000100206 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252022000100206 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1982-0224-2021-0024 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Ictiologia |
publisher.none.fl_str_mv |
Sociedade Brasileira de Ictiologia |
dc.source.none.fl_str_mv |
Neotropical Ichthyology v.20 n.1 2022 reponame:Neotropical ichthyology (Online) instname:Sociedade Brasileira de Ictiologia (SBI) instacron:SBI |
instname_str |
Sociedade Brasileira de Ictiologia (SBI) |
instacron_str |
SBI |
institution |
SBI |
reponame_str |
Neotropical ichthyology (Online) |
collection |
Neotropical ichthyology (Online) |
repository.name.fl_str_mv |
Neotropical ichthyology (Online) - Sociedade Brasileira de Ictiologia (SBI) |
repository.mail.fl_str_mv |
||neoichth@nupelia.uem.br |
_version_ |
1752122183864287232 |