Largetooth Flounder
Pseudorhombus arsius
- Least concern
- Card rarity: Common
- Fish

Pseudorhombus arsius, the largetooth flounder, is a species of left-eyed flatfish. As an adult, the dark side of its body, where its eyes are located, is on the left side. It belongs to the family Paralichthyidae. As Rhombus polyspilos, it was named as the type species of the genus Pseudorhombus. It is an Indo-Pacific species and is caught by both recreational and commercial fisheries.
Classification
- Class
- Actinopterygii
- Order
- Carangiformes
- Family
- Paralichthyidae
- Genus
- Pseudorhombus