Assertion: cryptomonad | /r/CapableOf | serve as non-toxic plankters
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Source sentences:
text: As non-toxic plankters, cryptophytes serve as important prey for diverse predators and are used as food in fish farming (Pedrós-Alió et al. 1995; Brown et al. 1997; Pastoureaud et al. 2003; Tirok and Gaedke 2007).