Shorefishes of the Eastern Pacific online information system

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Species: Cookeolus japonicus, Long-fin Bulleye, Long-fin bigeye, the Bulleye

All Families:   All Genera:   All Species:

red to yellow-red
D: last spines longest
preopercle spineless
pelvics very long

Cookeolus japonicus (Cuvier in Cuvier & Valenciennes, 1829)


Bulleye,    Long-fin bulleye,     Long-fin bigeye


Body a compressed oval; bone before eye with large serrations at front; a large, upturned, oblique mouth with a projecting lower jaw; no spines on the head; preopercle spineless; gill rakers 23-27;  fin spines with tiny spines; dorsal fin X, 13-14, spines increasing in length from 1st to last, 10th spine > 2x length of 2nd; anal III, 12-14; soft dorsal and anal fins long and bluntly pointed (except in very large fish); pelvic fins very long, > head length (2X head length in juveniles), broadly fused to belly; tail edge W shaped; scales moderate sized, 60-73 in lateral series, 16-20 between dorsal fin origin and lateral line.

Crimson to scarlet red to yellowish red, including fins and iris of eye; pelvic fin membranes dusky to blackish. Juvenile with black pelvics, black tint to red membranes of dorsal and anal fins.

Size: attains 68 cm.

Habitat: rocky bottoms.

Depth: generally found in deep water (100-400 m), but occasionally to ~ 30 m, where they can be observed by Scuba divers.

Circumglobal in tropical seas; in the eastern Pacific it ranges from lower Baja and the lower eastern Gulf of California to Peru and Cocos, Malpelo and the Revillagigedos.

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  • Marine Only
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Near Bottom
  • Bottom
  • Mid Water
  • Bottom + water column
  • Reef (rock/coral/oyster)
  • Rocks
  • Reef only
  • Reef associated (reef + edges-water column & soft bottom)
  • Water column
FishBase Habitat
  • Bentho-Pelagic
Feeding Group
  • Planktivore
  • Data
  • Zooplankton
  • Pelagic crustacea
  • Data
Egg Type
  • No data
  • Pelagic larva
  • Pelagic
Global Endemism
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
  • TEP non-endemic
  • All Pacific (West + Central + East)
  • "Transpacific" (East + Central &/or West Pacific)
  • All species
  • East Pacific + all Atlantic (East+West)
  • East Pacific + Atlantic (East +/or West)
  • Transisthmian (East Pacific + Atlantic of Central America)
Regional Endemism
  • Continent
  • Eastern Pacific non-endemic
  • All species
  • Tropical Eastern Pacific (TEP) non-endemic
  • Island (s)
  • Continent + Island (s)
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • South Temperate (Peruvian Province )
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 68
Depth Range Min
  • 30
Depth Range Max
  • 400