Blue Mussels

Which is the preferred habitat of the Blue mussels?

• Pelagic areas

• Coastal areas

• Intertidal areas

• Subtidal areas

Because of their characteristics, mussels can be considered...

• Bioindicators

• Water purifiers

• First organic producers

• Invasive

  (in some cases)

The mainly used systems of mussels cultures are...

• On-surface culture

• On-bottom culture

• On-line culture

• Suspended and Off-bottom culture

Which one of these is a harvesting method?

• Scraping

• Dredging

• Tearing

• Congregation

Blue Mussels are competing for territory with...

• Black Oysters

• Black Mussels

• Green Mussels

• Pacific Oysters

Which one of the following polluting factors can weaken the byssus gland?

• Oil spills

• Microplastics

• Heavy metals

• Pharmaceuticals