Daphniidae
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Daphnia pulex | |
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Daphniidae
Straus, 1820
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Daphniidae is a family of water fleas in the sub-order Anomopoda.
Description
Members of the family Daphniidae differ from other, similar cladocerans, such as Macrotrichidae and Moinidae, in that the antennae of females are short and immobile.[1]
Ecology
The feeding mechanism of the members of the family Daphniidae differs from that of Macrotrichidae in allowing the animals to engage in filter-feeding, rather than having to scrape food from a surface. They have evolved to fill a number of different ecological niches. Scapholeberis and Megafenestra contain species adapted to living around the surface film; Simocephalus species cling to objects while filter-feeding; others have developed a pelagic lifestyle.[2]
Taxonomy
The family Daphniidae contains 121 species in five genera:[3][4][5]
- Ceriodaphnia Dana, 1853
- Daphnia O. F. Müller, 1785
- Megafenestra Dumont & Pensaert, 1983
- Scapholeberis Schoedler, 1858
- Simocephalus Schoedler, 1858
The members of the family Moinidae may also be placed among the Daphniidae.[6]
See also
References
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External links
- Data related to Daphniidae at Wikispecies
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