Dorsal fin rays 3; anal fin rays 4; pectoral fin rays 12-13; pelvic fin rays 5; caudal fin ray 9.
Body strongly depressed; disk subtriangular, wider than long; tail relative long. Snout broad and rounded, without conical rostrum; face flatted and upturn, the mouth visible from dorsal view. Illicial cavity small; esca a small flat lobe, ventral broader than dorsal, with fleshy fringe on dorsal edge. Gill 2, gill filaments present on second and third branchial arches. Dorsal and anal fins very short. Tooth on vomer and palatine. Entire body covered with minute bucklers. Dorsal surface with deep-brown reticulate on yellow-brown background; ventral surface white; fins translucent to pale. Peritoneum white.
habitats
Habits in the marine bathydemersal. They are awkward, walking on the bottom on their large armlike pectoral fins and smaller pelvic fins.
Distribution
Restricted to Western Pacific from Japam to Philippines. In Taiwan, it occurs in eastern and southern occasionally.