Branched nasal cirri. Pair of 2 orbital cirri which are heavily branched.
Pectoral fin base with 2 red oval blotches. First 2/3 dorsal fin with slightly slanted horizontal stripes - colour matches body.
Males: brown with orange spots along body and sometime red ones on midflank. Rear cheek with bright red jagged stripes and spots.
Females: deep orange or red which gets darker towards the caudal base. Typically no spots along body. Lower head and throat with wavy lines of alternating red and white in a peppermint-candy-like pattern.
Reaches 6.7 cm.
Found on rocky substrate.
Photos of this species can be found here.
Males of N. nudiceps have small spots along the body while those of N. monogrammus are patternless. Females of N. monogrammus are patternless with red and white wavy stripes on throat, while females of N. nudiceps are heavily patterned with white blotches on the body and a lower pale head with red webbing.