Heterosigma akashiwo syn Olisthodiscus carterae, Entomosigma akashiwo,
Small cells averaging 25u in diameter. Many golden brown chloroplasts (appearing blue-green in photo). Cell wall absent. Cells may appear in in different shapes including spheroidal, ovoid, oblong and lumpy (resembling a cornflake). Toxic to fish. This sample is from coastal waters near Twin Cays off Dangriga, Belize.
Another photo of this species in estuarine waters can be seen by clicking here.