Least Puffer
Sphoeroides parvus
- Least concern
- Card rarity: Common
- Fish

Least puffer is a species in the family Tetraodontidae, or pufferfishes. This species is the common bay and inshore puffer for the waters around Texas and Louisiana. It has also been found as far east as Apalachicola Bay and south to Yucatán. Mature least puffers are small, usually less than four inches (100 mm).
Classification
- Class
- Actinopterygii
- Order
- Tetraodontiformes
- Family
- Tetraodontidae
- Genus
- Sphoeroides