Help with dinoflagellate :(

[jffryngyn]

Hey guys, i need help identifying this type of dino. ill have a photo attached with it under a microscope. if you guys have any advice on how to battle this that would be greatly appreciated :).

N03 - 28.9ppm
P04 - 0.01ppm

 

[Lavey29]

https://www.reef2reef.com/attachments/dinoflagellateid12_12_2019-pdf.1324729/