- The Western Atlantic Ocean: Including the US Gulf Coast from Florida to Texas, as well as parts of Mexico, Central America, and the Caribbean.
- The Eastern Atlantic Ocean: Including parts of West Africa, from Senegal to Angola.
- The West Indian Ocean: Throughout waters off of Eastern African countries such as Kenya, Tanzania, and Mozambique, as well as some nearby islands such as Madagascar.
- The Mediterranean Sea: Although their numbers are small.
- The Amazon basin: In the rivers of South American countries like Brazil and Venezuela.