Body is compressed laterally, with an elongated, tubular snout that terminates in a small upturned mouth lacking teeth. Eyes are round and large, with a single nostril on each side. Two dorsal fins, originating far posteriorly. First dorsal has extremely elongated and serrated second spine (four to eight spines, with each spine about as long as the snout); second dorsal fin has soft rays (10-14). Anal fin has 19-21 rays, pectoral fin has 18-21 rays, and pelvic fins have a single spine and four rays. Scales are very small. Pinkish or reddish dorsally; color fades to silvery on the sides. Reaches 9.1 in (23 cm) in total length.
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