The article focuses on sea turtles that are reptiles of the order Testudines. It outlines the seven species of sea turtles which include the Caretta caretta, Chelonia mydas, and Eretmochelys imbricata. It notes that all sea turtle species in Brazil are classified as vulnerable, endangered, and critically endangered by the International Union for Conservation of Nature and Natural Resources (IUCN). It mentions that incidental capture is the main threats to sea turtles.