Yes, there are alligators in Louisiana.  Also, Creoles, Cajuns and Acadians.   How are alligators different from crocodiles?  Snout and jawline shape, Alligators have a wider, or U-shaped snout, while crocodiles are V-shaped. When looking at an alligator, only the top teeth are visible.  Both up and down can be seen when crocodiles close their mouth, Crocodiles can grow to 19 feet long.  Alligators only to 14 feet.  In fact, according to Google AI: Saltwater crocodiles are significantly larger than any alligator species . Saltwater crocodiles can reach lengths of over 20–23 feet and weigh over 2,000 lbs, while the largest American alligators rarely exceed 15–17 feet and weigh closer to 1,000 lbs Crocodiles are lighter in color, sort of light tan or olive, compared to the black and gray alligators. Alligators are relatively more timid, and will mostly try to escape rather than attack.  But will strike back if provoked or while defending their young...