The Mangrove Rivulus '''(Rivulus marmoratus)''' is a tropical [[fish]] that lives in mangrove swamps across the Americas and can survive out of water for months. A new study shows that this is similar to how [[animals]] adapted to land millions of years ago. | The Mangrove Rivulus '''(Rivulus marmoratus)''' is a tropical [[fish]] that lives in mangrove swamps across the Americas and can survive out of water for months. A new study shows that this is similar to how [[animals]] adapted to land millions of years ago. |