Q. Karenia brevis was sometimes seen in the news. Which of the following correctly explains it?

[A] It is a light pollution identified throughout the globe recently

[B] It is a new plant species discovered in Amazon emitting CO2 on large scale

[C] It is an algae that cause red tide in Florida coast

[D] It is a new frog specis discovered in Western Ghats

Answer: C
  • Florida has been battling outbreaks of red tide, caused by the algae Karenia brevis, for several years. 
  • This year’s bloom may have been aggravated due to the release of contaminated water into Tampa Bay earlier. 
  • Tampa Bay, arm of the Gulf of Mexico, indenting the west coast of Florida, US. 

About Harmful Algae Bloom 

  • Harmful Algal Blooms, or HABs, occur when colonies of algae grow out of control and produce toxic or harmful effects on people, fish, shellfish, marine mammals and birds. 
  • While many people call these blooms ‘red tides,’ scientists prefer the term harmful algal bloom. 

Source: Down to Earth