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. Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage . Fig. 33.—Periophthalmus koelreuteri, the mudskipper, two-thirds natural size. After Hickson. the loose substratum. This is especially obvious where single shells of mollusks, stones, rock outcrops, or harbor works and breakwaters are juxtaposed to the loose bottom. A quite different community of animals appears immediately on such a foothold. The submarine rocky bosses which project from the ooze of the quiet water in the Bay of Naples support a wholly different population from
. Ecological animal geography; an authorized, rewritten edition based on Tiergeographie auf ockologischer grundlage . Fig. 33.—Periophthalmus koelreuteri, the mudskipper, two-thirds natural size. After Hickson. the loose substratum. This is especially obvious where single shells of mollusks, stones, rock outcrops, or harbor works and breakwaters are juxtaposed to the loose bottom. A quite different community of animals appears immediately on such a foothold. The submarine rocky bosses which project from the ooze of the quiet water in the Bay of Naples support a wholly different population from that of their surroundings. There are a few forms common to the two habitats, especially predaceous starfishes and crabs, and a few adaptable forms, like Mytilus. Altogether, however, the difference is radical and obvious. Sessile forms are especially characteristic of the solid bottom. The majority of sponges and of sessile coelenterates are confined to rocks, scarcely requiring other protection against predators than their
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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectanimalecology