C. hastatus

C. hastatus may refer to:
 * Coccorchestes hastatus, Balogh, 1980, a jumping spider species in the genus Coccorchestes found in New Guinea
 * Coluber hastatus, a synonym for Bothrops lanceolatus, a snake species endemic to Martinique
 * Corydoras hastatus, the dwarf corydoras, dwarf catfish, tail spot pigmy catfish or micro catfish, a tropical freshwater fish