Longfin yellowtail
Almaco jack
Photo Credit: © Diane Rome Peebles
Family Jacks, scads, and allies
Scientific Family Carangidae
Scientific Name Seriola rivoliana
Spanish Name Coronado
ITIS# 168691
Tail shape Forked
Dorsal color brown or silvery blue-green to olivaceous, ventral paler or silvery with brassy or lavender reflections, with yellow midlateral stripe usually present, and an oblique, dark yellowish brown band from nape through eye to edge of upper lip, the nuchal bar often persistent in adults (may be absent); juveniles (2-18 cm fork length) with dark nuchal bar and 6 dark body bars, each with a light narrow irregular area through their centre vertically, that do not extend into the membranes of the second dorsal and anal fins, and a seventh bar at the end of caudal peduncle; fins dark or yellowish grey except pelvic fins, white ventrally.
Biology
Adults live and feed near the bottom as well as in midwaters or near the surface in outer reef slopes and offshore banks to 480 feet (160 m) or more depth. They form small groups. Young often seen around floating objects. They feed mainly on fishes, but also on invertebrates. Eggs are found in the open ocean. Caution: May cause ciguatera poisoning, particularly in coral reef areas.
Appearance
Body Shape
Compressiform
Color
Main Color: Silver
Other Color: brown
Other Color: brown
Common Body Shape
Flattened side to side
Pattern
None
Length
Avg Length: 36 inches (90 cm)
Max Length: 64 inches (160 cm)
Max Length: 64 inches (160 cm)
Maximum Weight
131.8 lbs (59870 g)
Specifications
Handling Concerns
Reports of ciguatera poisoning
Conservation Concerns
None
Range in USA
MA-TX
Abundance
Common