Spotted Puffer
Guentheridia formosa
- Least concern
- Card rarity: Common
- Fish

Guentheridia formosa, the spotted puffer, is a species of pufferfish native to the coasts of the eastern Pacific Ocean from Costa Rica to Ecuador. This species grows to a length of 26 centimetres (10 in) TL. It is the only known member of the monotypic genus Guentheridia.
Classification
- Class
- Actinopterygii
- Order
- Tetraodontiformes
- Family
- Tetraodontidae
- Genus
- Guentheridia