Many Aquarium Factors Can Cause Algae Bloom . The primary cause of algae bloom in fish tanks is excessive light and nutrients. Like all algae, it thrives with an abundant food and light source.

Every serious fish hobbyist knows the importance of keeping a healthy fish tank. However, new owners may struggle with their ...

Check out these step-by-step tips on how to prevent and remove algae in a fish tank. Skip to main content . Home ; ... Also known as an algae bloom, ... Causes of Algae in Aquariums.

Photo from Roundhouse Aquarium . Toxic algae blooms off the coast of Southern California are causing hundreds of sick and dead sea lions and dolphins to wash ashore, experts say.

You can find algae blooms in freshwater, saltwater or brackish water. People have discovered freshwater algae blooms in all 50 states, and saltwater blooms have affected all the coastal U.S. states.

Harmful algal blooms — rapid increases in toxic-producing algae — occur almost every year and cause dozens of sea mammals to die in California, including particularly deadly occurrences last ...

Algae blooms thrive in warm, slow-moving water and are most common in the summer, but the peak season changes year to year due to unpredictable environmental factors. “This year’s a great ...

Lethal algae bloom is over, but sickened marine mammals aren't safe yet. Corinne Purtill. June 5, 2025 at 6:00 AM. Copied; An aerial view of surfers waiting for a set at Dog Beach in Huntington Beach.

Photo from Roundhouse Aquarium . Toxic algae blooms off the coast of Southern California are causing hundreds of sick and dead sea lions and dolphins to wash ashore, experts say.