In his gouaches and paintings, Chico da Silva primarily depicted the Amazonian fauna, birds and fish, alongside imaginative figures such as dragons. Drawing inspiration from the oral traditions of Northern Brazil, his works are distinguished by their vivid color palette and intricate graphic style, composed of woven and colored lines. Thanks to the originality of his style and compositions, he became a prominent figure in the context of Brazilian popular art. During his lifetime, he enjoyed significant commercial success and attracted considerable critical attention.