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Species: Caranx lugubris, Black Jack

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deep, compressed
head profile steep, angular
dark grey; fins & LL scutes black
lobes D & A: long

Caranx lugubris Poey, 1860

Black Jack

Body deep, oblong, compressed; head profile steep and angular; top jaw reaching to under center of eye; top jaw with an outer row of strong canines and an inner band of fine teeth; lower jaw with one row of teeth; 18-21 lower gill rakers; margin of body at rear of gill chamber without papillae; pectoral fins longer than head; dorsal (VIII + I, 20-22) and anal (II+I, 16-19), front lobes of both fins long and pointed; no finlets after 2nd dorsal and anal fins; tail base slender; tail strongly forked; straight rear part (but not curved front part) of lateral line with 26-32 scutes (large, hard spiny scales; tail base with a pair of keels on each side.

Body and fins mostly uniform dark grey to black; small dark spot on upper corner of gill opening; scutes often black.

Size: grows to 100 cm; IGFA world record is 17.9 kg.

Habitat: found in clear waters; typically seen on reefs surrounding offshore islands.

Depth: 3-380 m.

Circumtropical distribution; N Carolina to Brazil.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom + water column
  • Mid Water
  • Near Bottom
  • Rocks
  • Water column
  • Corals
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Bentho-Pelagic
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Planktivore
  • Data
  • Zooplankton
  • Bony fishes
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
  • Greater Caribbean non-endemic
  • Transisthmian (East Pacific + Atlantic of Central America)
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent + Island (s)
  • Extends N + S of GC
  • Extends North of GC
  • Extends South of GC
  • GC non-endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 100
Depth Range Min
  • 3
Depth Range Max
  • 380