Intraerythrocytic inclusions associated with infection by an iridovirus were observed in a fer de lance (Bothrops moojeni) snake that was being evaluated for the presence of renal carcinoma. The erythrocytes contained two types of inclusions, one viral and one crystalline, usually concomitantly. The snake was markedly anemic and exhibited a marked regenerative response. Ultrastructural analysis identified the virus to be an iridovirus consistent with snake erythrocyte virus and the crystalline structures to be of a different nature than hemoglobin.
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