Ceratium fusus
| Synonym: | Peridinium fusus |
Class: | Miozoa |
| Taxonomy: | Ceratiaceae, Dinophyceae, Myzozoa |
| Nutrition: | Mixotrophic |
Flowering: | HFrequently in high abundance or biomass |
Harmfulness: | Causes fish kills |
Distribution: | Probably cosmopolitan, with flowers during June and July and in autumn |
| Special features: | Bioluminescent populations possible |