Body extremely elongated and depressed. Very long head with tubular snout. Two serrated ridges along the snout. Small oblique mouth. Lower jaw slightly protruding. Small teeth. Interorbital space concave and smooth. Dorsal and anal fin triangular, opposite each other, located posteriorly. Caudal fin forked with the two middle rays extremely elongated and filamented. A row of narrow bony plates along dorsal midline in front of the dorsal and anal fins. The posterior part of the lateral line has a series of backward-pointing spines.
head, back and flank reddish-brown.
common 30-100 cm (max. 200 cm).
Fistularia commersonii: smooth dorsal midline, without bony plates; no backward pointing spines on the posterior part of the lateral line.
BIOLOGY / ECOLOGY
Lives in moderate depths, usually deeper than 10 m, above soft substrate. Feeds on fish and shrimps.
above the continental shelf over soft substrate.