| Family | Scientific Name | Author | Year | Common Name |
| Monacanthidae | Stephanolepis setifer | (Bennett) | 1831 | Pygmy Filefish |
Stephanolepis setifer
Unique Characters: Pelvic fin present as a rudiment at end of pelvis, mostly obscured from external view by a series of enlarged scales encasing it, appearing as a spinous process in the midline at end of pelvis. Region of back just behind dorsal spines without a deep groove to receive first dorsal-fin spine when it is not erected. Enlarged encasing scales at end of pelvis flexible dorsoventrally. First dorsal spine over posterior part of eye. Caudal peduncle with shagreen-like skin similar to that of rest of body, without enlarged spines at any size. Ventral flap or dewlap of skin between end of pelvis and anus relatively small. Second dorsal-fin ray elongate in males. Dorsal-fin rays usually 27-29. Anal-fin rays usually 27-29.
Similar Species: Planehead Filefish Stephanolepis hispidus. Pelvic fin present as a rudiment at end of pelvis, mostly obscured from external view by a series of enlarged scales encasing it, appearing as a spinous process in the midline at end of pelvis. Region of back just behind dorsal spines without a deep groove to receive first dorsal-fin spine when it is not erected. Enlarged encasing scales at end of pelvis flexible dorsoventrally. First dorsal spine over posterior part of eye. Caudal peduncle with shagreen-like skin similar to that of rest of body, without enlarged spines at any size. Ventral flap or dewlap of skin between end of pelvis and anus relatively small. Second dorsal-fin ray elongate in males. Dorsal-fin rays usually 31-34. Anal-fin rays usually 31-34.
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