Yellowtail Snapper

The Yellowtail Snapper is a slender member of the snapper family (Lutjanidae), classified as Ocyurus chrysurus — the sole species in its genus. It is one of the most abundant and recognizable snappers on Western Atlantic and Caribbean reefs, ranging from Massachusetts to Brazil with concentrations around Florida, the Bahamas, and the wider Caribbean basin. Unlike many of its bulkier relatives, it has a torpedo-shaped body built for open-water maneuvering rather than tight reef crevices, and it is frequently seen swimming well above the substrate in loose aggregations. It holds no special conservation status and remains common throughout its range. Its unmistakable golden lateral stripe and forked yellow tail make it one of the easiest snappers to identify at a glance, and it is a familiar sight to divers and snorkelers on tropical reef systems throughout its distribution.

Key features:

• Slender, fusiform body, bluish-olive to yellow-green above
• Bold golden-yellow stripe running from the snout, through the eye, to the deeply forked yellow tail
• Silvery-pink flanks scattered with small yellow-orange spots
• Small mouth and pointed snout
• Deeply forked, entirely yellow caudal fin

Adults reach 25-40 cm. The continuous yellow lateral stripe (rather than a spot or blotch) separates it from Lane Snapper, which instead shows a distinct black spot near the tail and faint stripes. Mutton Snapper lacks the yellow stripe entirely and has a rounder profile. The combination of an all-yellow, deeply forked tail and a single bright lateral stripe running the full body length is diagnostic for Yellowtail Snapper and not duplicated by any close look-alike in the region.

Yellowtail Snapper favors clear, warm tropical and subtropical marine waters, most often around coral reefs, rocky ledges, and adjacent sand-and-rubble patches. It ranges from the surf zone down to about 55-70 m, though it is most commonly encountered by divers between 3 and 30 m. Its geographic range spans the Western Atlantic from Massachusetts and Bermuda south through the Gulf of Mexico, Caribbean Sea, and Bahamas to southeastern Brazil, with the greatest abundance around Florida and Caribbean island reefs. Juveniles often shelter over seagrass beds and shallow patch reefs before moving to deeper reef edges as adults, where they favor areas with strong currents that bring planktonic food within reach.

Yellowtail Snapper is a schooling species, often forming loose, free-swimming aggregations well off the bottom rather than hovering near reef structure like many relatives. It is most active around dusk and dawn, feeding largely in the water column on zooplankton, small fish, and crustaceans rather than probing the substrate. Spawning occurs offshore over reef edges during warmer months, with pelagic eggs and larvae dispersing broadly before juveniles settle into shallow nursery habitats such as seagrass beds. As a mid-level predator, it helps control zooplankton and small-fish populations while itself serving as prey for larger reef predators such as groupers and sharks.