Karenia brevis

Definition

Karenia brevis is a marine dinoflagellate known for causing harmful algal blooms, commonly referred to as red tides. It produces toxins that can be detrimental to marine life and human health.

5 Must Know Facts For Your Next Test

1. Karenia brevis thrives in warm, nutrient-rich waters, particularly in the Gulf of Mexico.
2. The organism's optimal growth temperature ranges between 22°C and 28°C.
3. Karenia brevis produces brevetoxins, which are neurotoxic compounds affecting both marine organisms and humans.
4. Red tides caused by Karenia brevis can lead to massive fish kills and respiratory issues in humans.
5. Monitoring and predicting Karenia brevis blooms are crucial for managing public health risks associated with seafood consumption.

Review Questions

• What type of environment does Karenia brevis thrive in?
• What are the primary toxins produced by Karenia brevis?
• How do Karenia brevis blooms affect human health?

Related terms

Dinoflagellate: A type of planktonic algae that has two flagella used for movement.

Brevetoxin: Neurotoxic compounds produced by Karenia brevis that affect the nervous system.

Red Tide: Harmful algal bloom caused by the proliferation of certain microalgae, often resulting in water discoloration.