Apagesoma edentatum

Common Name

Smooth-palate Brotula

Year Described

Carter, 1983

Identification

Data for holotype only:

Dorsal Fin: 116
Anal Fin: 98
Pelvic Fin: 1
Pectoral Fin: 25
Caudal Fin: 8
Gill Rakers: 10 (long rakers on first arch)
Vertebrae: 13 (precaudal), 50 (caudal)
Branchiostegal Rays: 7-8

Body elongate and tapering strongly post-anus. Head large and fat. Mouth inferior. Anterior nostrils enlarged. Eye tiny. Mouth large, extending well past orbit. Jaw (both), palatine, and pharyngeal teeth patches present but teeth minute. No basibranchial or vomerine tooth patches. Opercular spines absent. Dorsal and anal fins continuous with tail. Caudal fin present but hard to discern. Pectoral fin moderate and fan-like. Pelvic ray 8-9% SL. Body flabby and weakly muscled. Cycloid scales cover whole body. Lateral line faint.

Color

Body and head pale brown in life. Fins a darker shade of brown. Opercular area dark. Inside of mouth white.

Size

Maximum known size 786mm TL.

Habitat

Holotype taken in extremely deep hadal depths (5082m) over red clay and siliceous ooze.

Range

Known from scattered records in the Bahamas, the Sargasso Sea, and the southern Caribbean. Likely widespread in the region in the deepest water.

References

Carter, H.J. 1983. Apagesoma edentatum, a new genus and species of ophidiid fish from the western North Atlantic. Bulletin of Marine Science, 33(1), 94-101.