Are tarantulas really dangerous? How do you recognize one and what should you do if you find one in my home? Can I keep a tarantula as a pet in Brazil?

Many people have a general fear of spiders, but only 3 genera out of more than 3,000 recorded species are dangerous. Find out which are considered dangerous and which are beneficial.

Get to know the coral that invaded the Brazilian coast and is killing the biodiversity of the Alcatrazes islands.