Carnivorous protist | Wikipedia audio article
Channel: Subhajit Sahu
Date: 2018-12-13

This is an audio version of the Wikipedia Article:
Carnivorous protist


00:01:24 1 Usage in popular media
00:02:41 1.1 "iPfiesteria/i hysteria"
00:03:16 2 In popular culture
00:04:48 3 See also



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SUMMARY
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Predatory dinoflagellates are predatory heterotrophic or mixotrophic alveolates that derive some or most of their nutrients from digesting other organisms. About one half of dinoflagellates lack photosynthetic pigments and specialize in consuming other eukaryotic cells, and even photosynthetic forms are often predatory.Organisms that derive their nutrition in this manner include Oxyrrhis marina, which feeds phagocytically on phytoplankton, Polykrikos kofoidii, which feeds on several species of red-tide and/or toxic dinoflagellates, Ceratium furca, which is primarily photosynthetic but also capable of ingesting other protists such as ciliates, Cochlodinium polykrikoides, which feeds on phytoplankton, Gambierdiscus toxicus, which feeds on algae and produces a toxin that causes ciguatera fish poisoning when ingested, and Pfiesteria and related species such as Luciella masanensis, which feed on diverse prey including fish skin and human blood cells. Predatory dinoflagellates can kill their prey by releasing toxins or phagocytize small prey directly.Some predatory algae have evolved extreme survival strategies. For example, Oxyrrhis marina can turn cannibalistic on its own species when no suitable non-self prey is available, and Pfiesteria and related species have been discovered to kill and feed on fish, and since have been (mistakenly) referred to as carnivorous "algae" by the media.