We are pleased to announce the publication of the following article: Santos-Neto EB, Azevedo-Silva CE, Bisi TL, Santos J, Meirelles ACO, Carvalho VL, Azevedo AF, Guimarães JE, Lailson-Brito J. Organochlorine concentrations (PCBs, DDTs, HCHs, HCB and MIREX) in delphinids stranded at the northeastern Brazil. Science of the Total Environment 2014; 472:194 - 203. ABSTRACT: Organochlorine compounds are highly persistent in the environment, causing bioaccumulation and biomagnification through the marine food chain. To verify the bioaccumulation pattern of DDT and its metabolites, as well as PCBs, Mirex, HCHs and HCB, samples of subcutaneous adipose tissue from 25 Guiana dolphins (*Sotalia guianensis*), two Fraser's dolphins (*Lagenodelphis hosei*), two spinner dolphins (*Stenella longirostris*), one spotted dolphin (*Stenella frontalis*), and one striped dolphin (*Stenella coeruleoalba*) were analyzed. The collected specimens were found stranded in northeastern Brazil between 2005 and 2011. The concentrations were reported in μg.g−1 lip, varying from 0.02 to 17.3 for ΣPCB, from 0.003 to 5.19 forΣDDT, from 0.005 to 0.16 forΣHCH,from 0.002 to 0.16 for HCB, and from 0.02 to 2.38 for Mirex. The PCBs dominated the bioaccumulation pattern for both the Guiana and spinner dolphins; for the other species, DDT was the major compound. A discriminant function analysis revealed the differences in the organochlorine accumulation patterns between the Guiana dolphin (*S. guianensis*) and the continental shelf/oceanic dolphins (*S. frontalis* and *S. longirostris*). The results also show that the concentrations of organochlorine compounds found in the delphinids in northeastern Brazil were lower than the delphinids found in other regions of Brazil, as well as other locations worldwide with intense agroindustrial development and/or a larger population. The full text and PDF is available at: http://www.sciencedirect.com/science/article/pii/S0048969713012618 Best regards -- Elitieri Neto Medico Veterinário Mestre em Ciência Animal nos Trópicos Doutorando em Ecologia e Evolução/ Universidade do Estado do Rio de Janeiro Laboratório de Mamíferos Aquáticos e Bioindicadores "Profa. Izabel Gurgel" (MAQUA) Telefone (21) 8170-4483 Skype: elitieri.neto