Species: Chaenopsis resh, Resh pike-blenny, Resh Pikeblenny

Male: head and body pale grey-green, paler below; a dark “7” shaped mark behind eye; chin salmon-tipped; front of dorsal black, with an ocellus between spines II-III; rays of throat membranes black at front, bright blue at rear; a stripe formed of a series of dark blotches (some with vertical extensions) along mid-flank; 16 groups of dark spots in a chain-link pattern along upper body above flank stripe; upper head with diagonal dark streaks, top with dark spots, throat membranes black; soft dorsal with 3 rows of brownish orange spots and 2 rows of pale blue dots. Female: yellow grey; lower head and belly yellow; iris orange-brown; a dark inverted “7” mark behind eye; a dark stripe along midflank composed of a row of close-set spots, every 2nd spot with vertical extensions; with rows of spots along entire soft dorsal, those forming diagonal bars on spiny dorsal.