| Full text | |
| Author(s): |
Pombo, Maira
[1]
;
Denadai, Marcia Regina
[2]
;
Santos, Flavia Borges
[3]
;
Bessa, Eduardo
[4]
;
Moraes, Cristiane
[1]
;
Turra, Alexander
[1]
Total Authors: 6
|
| Affiliation: | [1] Univ Sao Paulo, Inst Oceanog, BR-05508120 Sao Paulo - Brazil
[2] Inst Costa Brasilis Desenvolvimento Socioambienta, BR-05360000 Sao Paulo - Brazil
[3] Univ Estadual Sudoeste Bahia, BR-45083900 Vitoria Da Conquista, BA - Brazil
[4] Univ Estado Mato Grosso, BR-78550000 Sinop, MT - Brazil
Total Affiliations: 4
|
| Document type: | Journal article |
| Source: | Brazilian Journal of Oceanography; v. 61, n. 3, p. 169-175, JUL-SEP 2013. |
| Web of Science Citations: | 2 |
| Abstract | |
This study evaluated the population biology of Ctenosciaena gracilicirrhus (Perciformes: Sciaenidae) in a shallow non-estuarine coastal area of southeastern Brazil. Monthly samples were taken from October 2003 through October 2004, in two distinct areas at depths from 1 to 4 m. C. gracilicirrhus was generally among the most abundant fish species during the period. Its density was significantly higher in a single sampling month, May 2004, in the South area, which may be explained by its migratory behavior together with its preference for deeper areas. Such behavior may lead to bias in community estimates that use few or only seasonal samples. C. gracilicirrhus individuals ranged from 4.0 to 10.2 cm long, with a main mode from 7.5 to 9.0 cm and a significant decrease in mean size from June onward. The estimation of body growth parameters was compromised by this population feature. Similarly, the prey spectrum was difficult to determine because of the deteriorated condition of the stomach contents, although crustaceans were clearly the most important items ingested. Amphipoda was the only subgroup that could be identified more precisely, mainly by the construction of their tubes. (AU) | |