No, it's just decorative.
you go to poptropica shark tooth island then you go to the person with the shark fin and then click on him....and then you will have the shark fin.
You don't, it's just a decoration. You can also get the whole "shark outfit" by copying it from Shark Boy in the museum.
Oddly enough, it is strictly a decoration. (Unlike the grass skirt, which is required in the game.)
you get by going to shark tooth island and getting a shark fin and you put it on and then go to the doctor and you should unlock the mask
You should click on the guy in a lei near a stand, he'll give you a carbonated coconut milk thingy. Or click on the guy with a shark fin, he'll give you a cool fin of your own.
At the beginning of the island there is a stand that will give you a shark fin, and also near the end of the island there is a stand that will give you a grass skirt. If you put on both items the native islander will talk to you.
when you first leave your blimp go to the first guy you see he should be wearing a shark fin and hat talk to him you will get the shark fin
A shark is a long-bodied fish with a cartilage skeleton, prominent dorsal fin, and scales that are tooth-like.
The Ingredients:Coconut Milk - from the vendor when you arriveCreature Bone - in the underground ruinsKey Ingredient - in the underground ruinsOther Stuff:Grass Skirt - on the beach at Booga Bay (need for the medicine man)Shark Fin - on Main Street (not needed)Hammerhead's Journal - in the Shark MuseumTranslation Page - on top of the ruins
The Shark Fin, The Shark Hat, and a lot more. I forgot them though.
Soup fin is shark fin used in making shark fin soup.
It's known as 'Razor Tooth Blade Fin'.