Spatial Coverage
- Indian Ocean.35
- France34
- Erie, Lake33
- Pacific Coast (Hawaii)33
- Japan, Sea of32
- Saint Lawrence River32
- Alaska, Gulf of (Alaska)31
- Korea30
- Baltic Sea29
- Red Sea27
- Saint Lawrence Seaway27
- Caribbean Sea.26
- Long Island Sound (N.Y. and Conn.)26
- Australia25
- Ontario, Lake (N.Y. and Ont.)25
- Superior, Lake25
- Sweden25
- South China Sea24
- Atlantic Coast (Brazil)22
- Maine, Gulf of22
