Book excerpt: Presented in full color for the first time, Invertebrate Medicine is the definitive resource on husbandry and veterinary medicine in invertebrate species. Presenting authoritative information applicable to both in-human care and wild invertebrates, this comprehensive volume addresses the medical care and clinical condition of most important invertebrate species—providing biological data for sponges, jellyfish, anemones, snails, sea hares, corals, cuttlefish, squid, octopuses, clams, oysters, crabs, crayfish, lobsters, shrimp, hermit crabs, spiders, scorpions, horseshoe crabs, honey bees, butterflies, beetles, sea stars, sea urchins, sea cucumbers, various worms, and many other invertebrate groups. The extensively revised third edition contains new information and knowledge throughout, offering timely coverage of significant advances in invertebrate anesthesia, analgesia, diagnostic imaging, surgery, and welfare. New and updated chapters incorporate recent publications on species including crustaceans, jellyfishes, corals, honeybees, and a state-of-the-science formulary. In this edition, the authors also discuss a range of topics relevant to invertebrate caretaking including conservation, laws and regulations, euthanasia, diagnostic techniques, and sample handling. Edited by a leading veterinarian and expert in the field, Invertebrate Medicine, Third Edition: Provides a comprehensive reference to all aspects of invertebrate medicine Offers approximately 200 new pages of expanded content Features more than 400 full color images and new contributions from leading veterinarians and specialists for each taxon Includes updated chapters of reportable diseases, neoplasia, sources of invertebrates and supplies, and a comprehensive formulary The standard reference text in the field, Invertebrate Medicine, Third Edition is essential reading for practicing veterinarians, veterinary students, advanced hobbyists, aquarists and aquaculturists, and professional animal caretakers in zoo animal, exotic animal, and laboratory animal medicine.