Shorefishes of the Greater Caribbean online information system

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Species: Luvarus imperialis, Louvar

All Families:   All Genera:   All Species:

elongate & compressed & tapering, head deep, convex forehead, eyes low
D & A: no spines, low, long bases
bluey pink, fins red
C semilunar
mouth small, opens at front
pelvics tiny
juvenile: dense dark spots



Luvarus imperialis Rafinesque, 1810


Body elongate, oval, compressed, tapering to slender tail base; head deep, compressed, forehead profile convex; eyes low, behind small horizontal mouth; 1 continuous dorsal fin, long, low, origin at ~ mid-body; anal fin similar to and under dorsal fin; dorsal and anal fins of adults without spines (dorsal with II spines in juvenile); pelvic fins tiny; pectoral fin long, pointed; tail fin large, semicircular, with 1 large and 2 small keels on tail base; skin rough, covered with tiny spines; juvenile with dorsal and anal fins higher and with longer bases, pelvic fins very long in very small fish.

Metallic blue to pinkish grey above, sides and belly silvery with pink reflections, indistinct dark spots on upper 2/3 body; anal and tail red, pectorals red to yellowish; dorsal red at front, black at rear; juveniles with dense large dark spots on body and dorsal and anal fins.

Size: 200 cm.

Habitat: Oceanic; surface to midwater.

Depth: 0-500 m.

Circumglobal, tropical to temperate; Nova Scotia to S Brazil.

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  • Marine
  • Marine Only
  • Offshore
  • Offshore Only
Water Column Position
  • Mid Water
  • Near Surface
  • Surface
  • Water column only
  • Water column
FishBase Habitat
  • Pelagic
Feeding Group
  • Carnivore
  • Data
  • Planktivore
  • Data
  • Zooplankton
  • Bony fishes
  • Pelagic jellyfish/ctenophores
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
  • Greater Caribbean non-endemic
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent only
  • Extends N + S of GC
  • Extends North of GC
  • Extends South of GC
  • GC non-endemic
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 200
Depth Range Min
  • 0
Depth Range Max
  • 500