Southern California could be dealing with its worst toxic algae bloom ever. Domoic acid toxicosis associated with a bloom off the Southern California coast is responsible for killing brown pelicans, sea lions, and now at least two whales. LAist's Makenna Sievertson reports.

<p>Southern California could be dealing with its worst toxic algae bloom ever.&nbsp;Domoic acid toxicosis associated with a&nbsp;<a href="https://laist.com/news/climate-environment/la-county-sick-sea-lion-domoic-acid-event-spreads" data-cms-ai="0">bloom</a>&nbsp;off the Southern California coast is responsible for killing&nbsp;<a href="https://laist.com/news/climate-environment/sick-brown-pelicans-flood-huntington-beach-wildlife-facility" data-cms-ai="0">brown pelicans</a>,&nbsp;<a href="https://laist.com/news/climate-environment/los-angeles-malibu-sea-lion-toxic-algae-algal-bloom-domoic-acid" data-cms-ai="0">sea lions</a>, and now at least two&nbsp;<a href="https://laist.com/news/climate-environment/a-stuck-and-skittish-minke-whale-is-still-swimming-in-long-beach-harbor" data-cms-ai="0">whales</a>. LAist's Makenna Sievertson reports.</p>