Sciadonus pedicellaris

Common Name

Armed Blindfish

Year Described

Garman, 1899


Dorsal Fin: 90-107
Anal Fin: 42-60
Pectoral Fin: 10-14
Pelvic Fin: 1 or absent
Caudal Fin: 6
Gill Rakers: 12-15 on first arch
Vertebrae: 79-88 (43-49 precaudal)

Body elongate and slender. Head large and broader than body. The mouth is oblique and the lower jaw projects beyond the upper. Teeth present on premaxilla, dentary, and vomer. Fangs small. Eyes are minute and degenerate. Often with tissue flaps on the lower jaw. The ventral fins are very short. The pectoral fin base is extended as a limb-like pedicel. Dorsal fin origin relatively far back. The dorsal and anal fins are continuous with the caudal fin, which is relatively long. Penis short.


Body pale translucent with darker pigment on the peritoneum and genitalia region. Eyes black.


Known specimens range from 44-126mm SL.


Benthic at bathyal to abyssal depths (1169-5440m).


In the northwestern Atlantic, known from one specimen on the Mid-Atlantic ridge. Found worldwide so likely more widespread.


Nielsen, J.G. 1969. Systematics and biology of the Aphyonidae (Pisces, Ophidioidea). Galathea Report v. 10: 7-90, Pls. 1-4.

Nielsen, J.G., D.M. Cohen, D.F. Markle, and C.R. Robins. 1999. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fish. Synop. 125(18): 178p.

Nielsen, J.G. 2018. Revision of the cosmopolitan deep-sea genus Sciadonus (Teleostei, Bythitidae) with two new species. Cybium, 42(2), 177-187.

Other Notes

Sciadonus kullenbergi is a junior synonym of this species.