This richly illustrated book presents the diversity and natural
history of sea snail groups. By integrating aspects of morphology,
ecology, evolution and behaviour, it describes how each group copes
with problems of defence, locomotion, nutrition, reproduction and
embryonic development. First come general characteristics of the
Mollusca, to which snails belong; and next, characteristics by
which snails (Gastropoda) differ from other molluscs. Then a broad,
panoramic view of all major sea snail groups, from the primitive to
the more advanced, is presented, including both the more abundant
and some remote ones of special interest. In detailing primitive
sea snails, first limpets (Patellogastropoda) are described,
followed by brush snails (Vetigastropoda: top-shells, turbans and
allies) and nerites (Neritimorpha), a small group with remarkably
high variation in shell colour and in habitats. In looking at
advanced-snails (Caenogastropoda), it details the herbivorous
grazers and filter-feeders and the many voracious predators, some
which use venomous darts. The book also covers sea slugs
(Opisthobranchia), which have shifted from mechanical to chemical
defence; some are herbivores, some use their food to harness solar
energy, others are predators that gain stinging cells and poisonous
compounds from their food. In addition, readers will learn about
aspects of sea snails in human culture, including use as sacred
artefacts and objects of magic and money, as a source of the royal
and sacred dyes of purple and blue and as holy ceremonial trumpets.
The text, in which scientific terms are accompanied by parallel
common ones, is accompanied by over 200 illustrations (mostly in
colour). This comprehensive, insightful portrait of sea snails will
appeal to marine biologists, zoology lecturers and students,
biology teachers, field-school instructors, nature reserve wardens,
amateur naturalists, as well as to lecturers and learners of human
culture.
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