An item called fish skeleton

Item name: fish skeleton
Obtained by: there is a 30% chance a fish will drop a fish skeleton, the mobs that drop this item are
Tropical fish
Salmon
Cod
Pufferfish are excluded due to having different skeleton
Use: It can be used as a decoration and also can be used to scare off drowned, due to its smell
History: the fish skeleton was first revealed in a trailer, in the trailer an axolotl is seen hunting a fish, the fish drops a fish skeleton which scares  of a drown