Shreite

Shreite is a Pokémon that is introduced in generation 9

dex entry
garnet: there claws have strength to rip someone in half. Shreite has the most venomous bite in the world.

gem: Shreites are the most venomous Pokémon ever. There breathe is so stinky that everything around it would get away from it.

evolution method
Toxihrew —-> (lv.20) shreite

origin
shreite is shrew and bite together

it is based on a northern short-tailed shrew and a toxic rat.