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Campos,Paula Nepomuceno; Paiva,Rosildo Santos; Bonecker,Ana Cristina Teixeira; Melo,Nuno Filipe Alves Correia de; Palheta,Glauber David Almeida; Contente,Cristiane Teixeira; Ramos,Caio Aguiar Rodrigues. |
The family Bathylagidae contains eight genera and 22 species, of which only five occur in the Southwest Atlantic. Until recently, only adult specimens of the bathylaginin Melanolagus bericoides had been recorded off southern Brazil, between the Santa Marta Cape and Rio Grande (31° S and 49° W). The present work reports the first occurrence of Dolicholagus longirostris larvae on the northern Brazilian coast, expanding its distribution in the Southwest Atlantic. The two specimens found were collected near the mouth of the Amazon River (02° 00' 19" N, 47° 03' 30" W, and 00° 49' 06" N, 46° 25' 09" W). |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Longsnout blacksmelt; Bathylagidae; Fish larvae; Distribution; North Brazilian coast. |
Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032007000100026 |
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Amaral,Marcelo da Cunha; Bonecker,Ana Cristina Teixeira; Ortiz,Cláudio H. D.. |
This work aimed to know the tolerance mechanisms through the salinity variation by Na+ K+ - ATPase and Mg++ - ATPase and enzymes encountered in the gills of Poecilia vivipara. In field, the presence of this species was observed in salinities of 0 and 28. In laboratory, these fish were maintained in aquarium with mean salinity of 30 and positive responses were obtained. Some adult specimens, collected in a lagoon of the Coqueiros Beach, were utilized as matrixes. In the experiments the specimens used were those born in the test aquarium. For each salinity studied three replicates were made with three specimens for each one. The alevins were maintained in salinities of 5, 10, 15, 20, 25, 30 and 35 during a month for adaptation. Gills were extracted in... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Poecilia vivipara; Na+ K+ ATPase; Mg++ ATPase; Osmoregulation. |
Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132001000100001 |
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