A distinctive dinoflagellate with three tripod-like horns from one end, and one horn from the other end. Horns are variable in length depending on the species. Two flagella, one of which is set in a groove (cingulum) wrapping around the cell.
Ceratium, Lake Rotoroa, Hamilton, X80. Photo: Otago Regional Council & Manaaki WhenuaCeratium, Lake Rotoroa, Hamilton, X160. Photo: Otago Regional Council & Manaaki Whenua
Typical habitats
Lakes and ponds with moderate to good water quality