Gonyaulax

Definition

Gonyaulax is a genus of dinoflagellates, which are a type of single-celled eukaryotic algae. Some species within this genus are known to produce harmful algal blooms (HABs) and associated toxins.

5 Must Know Facts For Your Next Test

1. Gonyaulax species are often responsible for red tides, which can be harmful to marine life and humans.
2. Some Gonyaulax species produce potent neurotoxins such as saxitoxin, leading to shellfish poisoning.
3. They possess two flagella that allow them to move through the water column.
4. Gonyaulax cells contain chlorophyll and perform photosynthesis, making them primary producers in aquatic ecosystems.
5. Their population dynamics can be influenced by environmental factors like nutrient availability and water temperature.

Related terms

Dinoflagellates: A group of single-celled eukaryotes that have two flagella and can be found in marine and freshwater environments.

Harmful Algal Blooms (HABs): Rapid growth of algae that can harm aquatic life, ecosystems, and human health due to the production of toxins.

Saxitoxin: A potent neurotoxin produced by certain species of dinoflagellates, including some from the genus Gonyaulax.