The lower jaw is significantly elongated, while the upper jaw is short, triangular and lacks scales. There is no preorbital ridge and the pectoral fins are short, not extending beyond the nasal pit when folded forward. Predorsal scales number between 32 and 39. The caudal fin is deeply forked. The coloration is dark bluish above and silvery white below, featuring 3–9 (usually 4–6) vertical bars on the sides. The beak is dark with a vivid red fleshy tip.