Dwellers of the sea and shore dwellersofseasho00crow Year: 1935 The Seashore Naturalist 9 numerous pools also have an Interest all their own. The seaweeds which grow in great abundance and variety harbor in their fronds many animal forms which do not occur in localities of sand or mud. In the struggle for existence among both the plants and the animals v/hich inhabit the shores every possible advantage is sought by the individuals. This is par- ticularly plain among the rocks. Every bowlder bears on its seaward side a colony of barnacles, and vigor- ously disputing the space these creatures
Dwellers of the sea and shore dwellersofseasho00crow Year: 1935 The Seashore Naturalist 9 numerous pools also have an Interest all their own. The seaweeds which grow in great abundance and variety harbor in their fronds many animal forms which do not occur in localities of sand or mud. In the struggle for existence among both the plants and the animals v/hich inhabit the shores every possible advantage is sought by the individuals. This is par- ticularly plain among the rocks. Every bowlder bears on its seaward side a colony of barnacles, and vigor- ously disputing the space these creatures occupy are CAPRELLAj A SMALL SHORE CRUSTACEAN. mussels and other stationary moUusks. Even the sea- weeds contest the right of the barnacles to dominate; they grow so thickly in some places that the latter are often crowded out. These rockweeds in turn support a curious population. Crawling over the leathery fronds or firmly fixed thereon are sea spiders, moss ani- mals, snaillike worms which secrete spiral shells, and in sundry places may be seen attached by its hind legs, swaying its lengthened body to and fro, that oddest of crustaceans, little Caprella. Among the other crea- tures to be found on the fronds^are certain snails, which simulate the color of the plant, or are striped to make closer their resemblance. When the tide is out there will be found secreted under ledges and in sheltered places starfishes and sea
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