| Pokedex Entries: |
| Red | Stores thermal energy in its body. Swims at a steady 8 knots even in intensely cold waters. |
| Blue |
| Yellow | Its entire body is a snowy-white. Unharmed by even intense cold, it swims powerfully in icy waters. |
| Gold | Its streamlined body has little drag in water. The colder the temperature, the friskier it gets. |
| Silver | It loves frigid seas with ice floes. It uses its long tail to change swimming direction quickly. |
| Crystal | It sleeps under shallow ocean waters during the day, then looks for food at night when it's cold. |
| Ruby | DEWGONG loves to snooze on bitterly cold ice. The sight of this POKéMON sleeping on a glacier was mistakenly thought to be a mermaid by a mariner long ago. |
| Sapphire |
| Emerald | It loves to snooze on bitterly cold ice. The sight of this POKéMON sleeping on a glacier was mistakenly thought to be a mermaid by a mariner long ago. |
| FireRed | ts body is covered with a pure white fur. The colder the weather, the more active it becomes. |
| LeafGreen | Stores thermal energy in its body. Swims at a steady 8 knots even in intensely cold waters. |
| Diamond | In snow, the pure white coat covering its body obscures it from predators. |
| Pearl |
| Stadium 1 | It stores thermal energy inside its pure white, fur-covered body. It swims in frigid water at eight knots. |
| Stadium 2 | Its streamlined body has little drag in water. The colder the temperature, the friskier it gets. |
| TCG | Light Dewgong: It has an aerodynamic shape that allows it to swim at great speed. The colder it gets, the more active it becomes. |
