Longjaw Mudsucker
Gillichthys mirabilis
- Least concern
- Card rarity: Common
- Fish

The longjaw mudsucker is a species of goby found along the Pacific coast of California and Baja California. Known for its distinctive elongated jaws and robust body, this species can reach up to 21 centimetres (8 in) in length, making it one of the larger gobies in its habitat. Adapted to estuarine environments, the longjaw mudsucker has evolved to survive short periods out of water, utilizing tidal mudflats and sloughs as its primary habitat.
Classification
- Class
- Actinopterygii
- Order
- Gobiiformes
- Family
- Oxudercidae
- Genus
- Gillichthys