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| Author(s): |
Camilla Nunes Garbini
Total Authors: 1
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| Document type: | Master's Dissertation |
| Press: | São Paulo. |
| Institution: | Universidade de São Paulo (USP). Instituto Oceanográfico (IO/DIDC) |
| Defense date: | 2012-06-26 |
| Examining board members: |
Mario Katsuragawa;
Ana Cristina Teixeira Bonecker;
Rubens Mendes Lopes
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| Advisor: | Mario Katsuragawa |
| Abstract | |
There are few studies about Pleuronectiformes larvae mostly in Brazil. Due to that, this study aims to describe the occurrence of Pleuronectiformes larvae in the southeastern Brazilian coast. Samples were collected using bongo and Multi Plankton Sampler (MPS) nets in the summer and winter of 2002. Composition, abundance, density, horizontal and vertical distributions and stage of larval development were studied. A total of 352 larvae in summer and 343 in winter were collected. Three families and 14 species were identified. The most abundant species were Etropus spp., Syacium spp., Bothus ocellatus and Monolene antillarum. Etropus spp., Syacium spp. and M. antillarum occurred preferentially in the intermediate zone until the 200m isobath. The first two genera occurred near Cape Frio and the last one near Ubatuba. B. ocellatus occurred predominantly in the oceanic zone in Ubatuba and Rio de Janeiro. Regarding to the vertical distribution, the highest average densities of these species were in the strata of 0 - 20 m of depth in summer and between 20 - 40 m in winter. Pre-flexion larvae were abundant near the coast. The stipulated variables: proximity to the coast, season, location and salinity, showed significant differences in relation to the larval distribution observed. (AU) | |
| FAPESP's process: | 09/11900-7 - Distibution and abundance of Paralichthyidae larvae between São Tomé Cape(RJ) and São Sebastião Island (SP) |
| Grantee: | Camilla Nunes Garbini |
| Support Opportunities: | Scholarships in Brazil - Master |