Cypris Unifasciata Water Flea

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“Water Flea is a popular name for minute aquatic Crustaceans such as daphnia, cypris, and cyclops. In Cypris also the shell is bivalve; there are five pairs of appendages on the head and two on the body; most of these are used in swimming or creeping. Among cyprids parthenogenesis again occurs, and in some species males have never been observed, while parthenogenetic development has been traced for as many as 40 successive generations. The females bear large egg sacs. Water fleas fed on microscopic plants and animals and on organic debris, while they themselves– often occurring in countless swarms– form an important part of the food supply of certain fishes."—(Charles Leonard-Stuart, 1911)




Everybody's Cyclopedia (New York, NY: Syndicate Publishing Company, 1912)


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