Lingulodinium Polyedrum- is a species of dinoflagellate, the organism has two forms, the classic thecate shell, and a cyst
Two examples of red tide are the Florida red tide caused by Karenia brevis algae and the California red tide caused by Lingulodinium polyedrum algae. Both of these algae produce toxins that can harm marine life and humans.
Yes, some jellyfish are bioluminescent, meaning they can produce light themselves. This bioluminescence often makes them glow in the dark, creating a beautiful display underwater.