A photo-illustrated introduction to the scientific classification of mollusks that describes the differences between groups, the traits of specific species, mollusk evolution, and conservation.
Presents an introduction to sea slugs, discussing the variety of shape and color that exists within the nudibranch family of sea slug, and looking at how they breathe, eat, move, and fend off predators.
Discusses the physical characteristics and habits of various members of the mollusk family whose more than 100,000 species include sea slugs, pearl oysters, and squids.