Saccogaster staigeri

Common Name

Staiger's Brotula

Year Described

Cohen & Nielsen, 1972

Identification

Dorsal Fin: 86-88
Anal Fin: 53-57
Caudal Fin: 12
Pectoral Fin: 18-19
Branchiostegal Rays: 8
Vertebrae: 51-54 total (13-14 precaudal)

Body elongate but more stout and robust than Parasaccogaster. Head about 26-30% of standard length. Anterior pores present. Posterior infraorbital, supraorbital, and mandibular pores absent. Eye small. Rear nostril small. Mouth large, extending well past eye. Vomer and dentary with fangs. Palatine teeth in single row. Maxilla expanded posteriorly. Gill opening reaches above level of pectoral fin base. Gill filaments on anterior arch half or equal in length to raker length. Opercular spine buried in skin. Pectoral fin medium. Pectoral base on a free peduncle. Pelvic fin a single filamentous ray. Dorsal fin origin over pectoral fin. Anal fin placed far back on body. Dorsal and anal fins continuous with caudal fin. Scales present on body but not head and abdomen.

Color

Uniformly brown in preservative with blue eyes.

Size

Specimens range from 49-93mm SL.

Habitat

Continental slopes from 201-450m. Benthic.

Range

Known from the east coast of Florida and the Gulf of Mexico.

References

Cohen, D.M. 1987. Notes on the bythitid fish genus Saccogaster with a new species from the Gulf of Mexico. Nat. Hist. Mus. Los Angeles Co., Contr. Sci., 385, 1-4.

Nielsen, J.G., Schwarzhans, W., & D.M Cohen. 2012. Revision of Hastatobythites and Saccogaster (Teleostei, Bythitidae) with three new species and a new genus. Zootaxa, 3579(1), 1-36.

Other Notes

The presence of scales differentiates this from S. parva.