sao paulo dining?
An affordable fish and seafood restaurant with great moquecas is www.pilicobia.com.br ; it's close to Eldorado Shopping Center .
If you would like to go upscale , you should try Figueira Rubayat. It's in Jardins area, it can be close to you depending on where in Pinheiros you'll stay. They have meat dishes and feijoada as well, so they don't have lots of fish www.rubaiyat.com.br
Another upscale restaurant in Jardins, this one specialized in fish and seafood is www.restauranteamadeus.com.br
Do you like sushi? Sao Paulo has excellent sushi and japanese restaurants, where you can have either raw fish or grilled.