Chimaeras are cartilaginous fish in the order Chimaeriformes, known informally as ghost sharks, ratfish (not to be confused with the rattails), or rabbitfishes.
Chimaeras are cartilaginous fish in the order Chimaeriformes ratfish (not to be confused with the rattails), or rabbitfishes. Cartilaginous fish in the order Chimaeriformes is known informally as ghost sharks.