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Brazilian Journal of Oceanography
On-line version ISSN 1982-436X
SCHMIDT, Thassya Christina dos Santos and DIAS, June Ferraz. Pattern of distribution and environmental influences on the Scienidae community of the Southeastern Brazilian coast. Braz. j. oceanogr. [online]. 2012, vol.60, n.2, pp. 233-243. ISSN 1982-436X. http://dx.doi.org/10.1590/S1679-87592012000200013.
The Sciaenids have among the highest species richness, numerical abundance and biomass of any family of fishes along the Brazilian coast. The aim of this study was to analyze the composition and spatial and temporal distribution of as well as the influence of temperature, salinity and depth on the sciaenid assemblage of Santos Bay. A total of 29,306 individuals belonging to 13 genera and 21 species were captured, between November 2004 and December 2005, with Stellifer rastrifer representing 70.4% of the total composition. Highest abundance and biomass occurred on the east side of the bay, and the highest species richness occurred near the mouth of the Santos Channel, which was also the site with least similarity to the other sites. Highest abundances occurred in April 2005 and lowest in September 2005. Key environmental factors influencing distribution of sciaenids were depth and temperature.
Keywords : Sciaenid community; Abundance; Spatial and temporal distribution; Santos bay.