Lionfish cause a lot of damage around the world

Lionfish are popular in aquariums because they look beautiful. But some owners may have released their pets in the Atlantic Ocean about 20 years ago, which is now causing huge problems around the world. This is because lionfish are spreading to many areas and cause a lot of damage to both the marine environment and us humans.

In this article, I explain what is happening and what we can do to prevent further damage.

The lionfish is beautiful but dangerous, to other fish and divers, as it has poisonous spines (credit: Vlad61 on Shutterstock)