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Cases of reversed migration patterns are documented when the risk of visual predation during the day is higher at the bottom or in the littoral zones (for example in the presence of fish that hunt within submerged plant‑beds). [4] [16] Daphnia magna, as the smaller D. pulex, is able to switch to a feeding behavior, termed browsing behavior ...
Furthermore, D. pulicaria are ecologically important herbivorous zooplankton, which help control algal populations and are a source of food for some fish. [4] D. pulicaria are closely related to Daphnia pulex , and numerous studies have investigated the nature and strength of this relationship because these species can produce Daphnia pulex ...
Daphnia species (commonly Pulex or Moina) vary in size, but all are about 50% protein and are high in carotenoids. [5] They can be cultivated in live cultures or freeze dried. Soybean meal is a high protein source for fish and has become a substitute for traditionally-used marine animal meals.
Daphnia cephalata King, 1853; Daphnia chevreuxi Richard, 1896; Daphnia chilensis (Hann, 1986) Daphnia coronata Sars, 1916; Daphnia dadayana Paggi, 1999; Daphnia deserti Gauthier, 1937; Daphnia dolichocephala Sars, 1895; Daphnia ephemeralis (Schwartz & Hebert, 1985) Daphnia exilis Herrick, 1895; Daphnia fusca Gurney, 1907; Daphnia gelida (Brady ...
Moina is a genus of crustaceans within the family Moinidae. [3] [4] The genus was first described by W. Baird in 1850.They are referred to as water fleas, but are related to the much larger Daphnia magna and the larger Daphnia pulex. [5]
Daphnia is a genus of small planktonic crustaceans, 0.2–6.0 mm (0.01–0.24 in) in length. Daphnia are members of the order Anomopoda, and are one of the several small aquatic crustaceans commonly called water fleas because their saltatory swimming style resembles the movements of fleas.
Daphnia pulex is the most common species of water flea. [3] It has a cosmopolitan distribution : the species is found throughout the Americas, Europe, and Australia. [ 4 ] It is a model species , and was the first crustacean to have its genome sequenced.
The feeding mechanism of the members of the family Daphniidae differs from that of the 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.