Shorefishes of the Eastern Pacific online information system

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Species: Psenes pellucidus, Bluefin driftfish

All Families:   All Genera:   All Species:

slender, body soft, flabby, (juvenile deep)
juvenile deep
D 27-32; A 28-34
adult dark, fin bases translucent
juvenile translucent + spots, D1 dark
bottom teeth daggers, top conical

Psenes pellucidus Lütken, 1880

Bluefin driftfish

Body elongate, (juveniles deeper bodied) compressed, soft, flabby; snout blunt; eye moderate, with a fatty ring around it; operculum thin, with 2 short spines; mouth small, at front; top jaw teeth small, conical, in 1 row, wide spaced; adult lower jaw with long knife-like teeth, close-set; teeth on front and sides of roof of mouth, and base of gill arches, none on tongue; 2 scarcely separate dorsal fins, XI-XII + I, 27-32, spines shorter than rays, its origin before, or, in large specimens, over pectoral origin; anal fin II weak spines, 28-34; pectoral fins with oblique bases, short (lengthens with age), rounded, 18-20 rays; pelvic fins originate under pectoral base, attached to the abdomen, fold into a groove; tail fin forked, rounded tips; branched mucous canal system under thin skin along midline of flank; scales very small, 115-125 on lateral line, cover bases of median fins, on top of head in a narrow band, reach only to between eyes; lateral line high on body.

Adult: dark brown to purplish-black, dark blue eye, bases of median fins translucent; juvenile: translucent, with irregular brown spotting, dark 1st dorsal fin.

Size: 80 cm .

Habitat: oceanic, young around jellyfishes.

Depth: 0-1000 m.

Circumtropical; Southern California to Baja, ~5N to Chile.

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  • Marine
  • Marine Only
  • Offshore
  • Offshore Only
Water Column Position
  • Near Surface
  • Surface
  • Mid Water
  • Water column only
  • Jellyfish
  • Flotsam
  • Water column
FishBase Habitat
  • Bathypelagic
Feeding Group
  • No Data
  • Carnivore
  • Planktivore
  • No Data
  • Zooplankton
  • Bony fishes
  • Pelagic jellyfish/ctenophores
  • Pelagic fish larvae
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • East Pacific + Atlantic (East +/or West)
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
  • East Pacific + all Atlantic (East+West)
  • All species
  • Transisthmian (East Pacific + Atlantic of Central America)
  • TEP non-endemic
Regional Endemism
  • Continent
  • Eastern Pacific non-endemic
  • Tropical Eastern Pacific (TEP) non-endemic
  • All species
  • Continent + Island (s)
  • Island (s)
  • Vagrant
Climate Zone
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • South Temperate (Peruvian Province )
  • Antitropical (North and South temperate)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 80
Depth Range Min
  • 0
Depth Range Max
  • 1000