Abilities, Symbiosis
4 species have Symbiosis as a hidden ability
Of the 1,025 species this site covers, default forms only
SinceGen VI
Normal0
Hidden4
Elsewhere1
Effect, in PokéAPI's words
“Passes the bearer's held item to an ally when the ally uses up its item.”
As a hidden ability
Elsewhere in PokéAPI
1 more holder without a page here
Alternate forms and other species that PokéAPI lists with Symbiosis.
Floette Eternal (hidden)