| Family | Scientific Name | Author | Year | Common Name |
| Opistognathidae | Opistognathus nothus | Smith-Vaniz | 1997 | Yellowmouth Jawfish |
Opistognathus nothus
Unique Characteristics: Bony posterior end of upper jaw straight or rounded. Caudal fin rounded, 18-42% standard length. Anterior nostril a short tube without a cirrus. Opercle uniformly pigmented. Dorsal-fin spines curved distally, with slender flexible tips. Cheeks naked. Segmented anal- and dorsal-fin rays 12 or more, respectively. Body with 44-87 oblique scale rows in lateral series. Dorsal-fin spines 10. Vomerine teeth absent; inner lining of upper jaw and adjacent membranes mostly black. Total gill rakers on first arch 26-32. Posterior end of upper jaw rigid, not produced as a thin flexible lamina (FAO 2002).
Similar Species: None
