| Gars (Lepisosteidae) | ||
|---|---|---|
| # | characteristics | results |
| 1a | Two rows of canine teeth in upper jaw | Atractosteus spatula (Alligator Gar) |
| 1b | One row of canine teeth in upper jaw | go to two |
| 2a | long thin snout and dark spots not present on head | Lepisosteus osseus (Longnose Gar) |
| 2b | Shorter snout and/or possible spots present on head. | go to 3 |
| 3a | Spots present on facial region (and along the body and fins if taken from calm water) | Lepisosteus oculatus (Spotted Gar) |
| 3b | short snout and no spots on head | Lepisosteus platostomus (Shortnose Gar) |