The film 's use of clownfish prompted mass purchase of the fish breed as pets in the United States , even though the story portrayed the use of fish as pets negatively and suggested that saltwater aquariums are notably tricky and expensive to maintain .
The film 's use of clownfish prompted mass purchase of the animal as pets in the United States , even though the movie portrayed the use of fish as pets negatively and suggested that saltwater aquariums are notably tricky and expensive to maintain .