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Light-stick: A problem of marine pollution in Brazil

2017; Elsevier BV; Volume: 117; Issue: 1-2 Linguagem: Inglês

10.1016/j.marpolbul.2017.01.055

1879-3363

Caio Cesar‐Ribeiro, Helena Costi Rosa, Daniele Oliveira Rocha, Camila Galli Baldini dos Reis, Tabata Sarti Prado, Daniela Hernandes Coimbra Muniz, Raquel Carrasco, Flávia Milão Silva, José Eduardo Martinelli Filho, Maria Fernanda Palanch-Hans,

Environmental Toxicology and Ecotoxicology

Light-sticks are used as bait in surface long-line fishing, to capture swordfish and other large pelagic predators. When discharged in the ocean, it may reach the beaches. The traditional Brazilian community of Costa dos Coqueiros, Bahia, use light-sticks as a medicine for rheumatism, vitiligo and mycoses. It may affect the marine life when its content leak in the open ocean. This work evaluated and identified the acute and chronic toxicity of the light-stick. A high acute toxicity was observed in the mobility/mortality of Artemia sp.; in the fertilization of sea urchin eggs, and a high chronic toxicity in the development of the pluteus larvae of the same sea urchin. The main compounds that probably caused toxicity were the volatiles such as the fluorescent PAH and oxidants such as the hydrogen peroxide. Its disposal in the open ocean is a potential threat for marine life.