Crustaceology is a branch of both zoology and biology; it deals with the science of crustaceans. Crustaceans are a group of oceanic animals that includes lobsters and crabs. Crustaceans belong to the taxonomic group Crustacea.
Other names for crustaceology are malacostracology, carcinology, and crustalogy.
A scientist who works in crustaceology is a crustaceologist or crustalogist.