Editor's Note: Read Consumer Reports' take on changes the Food and Drug Administration made to its advice on fish consumption for women of childbearing age, pregnant women, and young children in ...

Family: Poeciliidae Etymology: Gambusia comes from a Cuban work "Gambusino" which means "nothing", in the sense that to fish for Gambusia is to fish for nothing (Moyle 2002). affinis = "related" ...

To do this, the researchers placed a cup of water filled with fish food inside a sterile cardboard box. They then ran four different experiments: they introduced either sterilized eggs or unsterilized ...