Pyrolycus manusanus Machida & Hashimoto 2002

Flesh gelatinous. Head without dermal papillae. Gill slit large, extending ventrally beyond the pectoral fin absent. Suborbital bones 6; canal with 6-7 pores. Postorbital pores 3; occipital 1. Palatopterygoid series weak. Scales, lateral line and pseudobranch absent.. Teeth on vomer and palatine present. Caudal fin rays 8-10 (Ref. 41628).

Vertebrae: 78 - 81

Stomach contents include bresiliid shrimps (Ref. 41628).

Stomach contents include bresiliid shrimps. A 12.46 cm SL female specimen had about 600 eggs of various size, up to 0.4 mm in diameter; another 17.2 cm SL female with about 650 eggs of various size, up to 1.0 mm in diameter (Ref. 41628).