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Species: Oxyporhamphus similis, False Halfbeak, Smallwing Flyingfish

All Families:   All Genera:   All Species:

lower jaw slightly projecting (juvenile - short beak)
gill rakers 30-35
pectoral ~1/3 SL, 11-13



Oxyporhamphus similis Bruun, 1935

False Halfbeak, Smallwing Flyingfish

Elongate, broadly cylindrical body; head short, snout short and blunt; mouth small, top jaw short, triangular, lower jaw slightly projecting in adult, extending into a short beak in juvenile; gill rakers 30-35; fins without spines; dorsal rays 13-15; anal rays 14-15; pectorals of moderate length, ~1/3 SL, reaching to origin of pelvic fins, 11-13 rays; pelvics short, their origin nearer anal origin than pectoral base; tail strongly forked, but lower lobe only slightly larger than upper lobe in adult (more asymmetric in juvenile); lateral line low on the body; scales large, smooth, easily shed; predorsal scales 28-33.

Dark blue to blackish on back and upper side, silvery below; dorsal, caudal, pectoral, and outer half of pelvic fins dusky blackish.

Size: to 22.5 cm.

Habitat: surface pelagic, oceanic.

Depth: 0-5 m?

Atlantic; 40N to 20S.

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  • Marine
  • Marine Only
  • Offshore
  • Offshore Only
Water Column Position
  • Near Surface
  • Surface
  • Water column only
  • Water column
FishBase Habitat
  • Pelagic
Feeding Group
  • Data
  • Planktivore
  • Data
  • Zooplankton
  • Pelagic jellyfish/ctenophores
Egg Type
  • Data
  • No pelagic phase
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • Transatlantic (East+West Atlantic)
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
  • 22.5
Depth Range Min
  • 0
Depth Range Max
  • 5