Daphnia magna

Water flea (Daphnia magna)

The Great Water flea ( Daphnia magna ) is a species in the genus Daphnia (Daphnia ).

The females grow up to 6 millimeters in size, the males about 2 millimeters. Dörnchenreihen mark the back strip on the shell. The head keels on the page are continued over half the hull length in the shape of spiny bars. The tail spine is different lengths. The shells have a significant fielding. Directly in front of the anus of the dorsal edge of the abdomen has a conspicuous indentation. Under the short rostrum, the first antennae protrude far. The second antennae have leaflets rowing bristles. The intestine has two " liver croissant ". The Great Water Flea is a heat- loving pond shape, the mass occurs in waters with high nutrient content.

Documents

  • Heinz Streble, Dieter Krauter: The Life in the Water. Microflora and microfauna of fresh water. A field guide. Franckh - Kosmos Verlag, Stuttgart 2008, ISBN 978-3-440-11966-2
Anomopoda
216902
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