Ascidians are common marine animals present on all types of substrata but abundant and highly diversified in warm oceans.
They represent a large portion of the underwater pictures taken by divers of the Orstom center in Noumea.
One millimeter to some decimeters in size, cryptic or brightly coloured, motionless, often in the shade, ascidians are not well known, but are present everywhere. They are surprising not only in their variable shapes but also in their unique biological characteristics. They represent the boundary between invertebrates and vertebrates, although the adults look like stones or sponges.
With a beautiful selection of photographs, the authors discuss the essential anatomy, the modes of budding, the pigments, and the spicules. The ecological requirements are detailed and symbionts, parasites and predators are reviewed. The relationship with man concerns fouling species on ships, their use as food end as a source of pharmacological products.
The final section provides a key for the identification of the most common or spectacular species.
Editeur : IRD Éditions
Collection : Faune et flore tropicales
Publication : 1 août 1991
Edition : 1ère édition
Intérieur : Couleur
Support(s) : Livre papier [Neuf avec défauts possibles]
Poids (en grammes) : 1226
Langue(s) : Anglais
EAN13 Livre papier [Neuf avec défauts possibles] : 9782709910507
General organisation of an ascidian
Ecology
Symbionts, parasites, and predators
Ascidians and people
Systematics
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