Shorefishes of the Eastern Pacific online information system

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Species: Remora brachyptera, Spearfish remora

All Families:   All Genera:   All Species:

sucker to mid-pectoral, 14-17 plates
D 27-34
gill rakers 14-17
pectoral 23-27, outer 2/3 flexible
pelvics broadly attached to belly

Remora brachyptera (Lowe, 1839)

Spearfish remora

Body elongate, robust; dorsal and anal bases < 2x head length; head disc short (27-40% of SL), reaches ~ middle of pectorals, 14-17 plates, its tiny spines pointed, in 2-3 irregular rows; jaws broad, lower jaw projecting, top jaw not protractile; simple teeth on jaws and center of roof of mouth; operculum without spines; gill rakers 14-17, 12-14 lower rakers; pectoral broad, blunt 23-27 rays, outer 2/3 of fin flexible; dorsal and anal bases similar length, notably longer than head; dorsal 27-34 rays; anal 23-27 rays; pelvics pointed, under pectoral base, close-set, I, 5, broadly attached to belly; tail slightly concave (forked in juvenile); scales small, smooth, imbedded.

Overall brown.

Size: 40 cm.

Habitat: oceanic, hosts are billfishes.

Depth: 0-200 m?.

Circumtropical; throughout our region except for the upper Gulf of California.

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  • Marine
  • Marine Only
  • Offshore
  • Offshore Only
Water Column Position
  • Mid Water
  • Water column only
  • Near Surface
  • Large fishes (billfishes, rays, sharks, etc), turtles & whales
  • Water column
FishBase Habitat
  • Pelagic
Feeding Group
  • No Data
  • Planktivore
  • Ectoparasite cleaner
  • Carnivore
  • Pelagic crustacea
  • Ectoparasites
  • Pelagic fish larvae
  • No Data
  • Bony fishes
  • Zooplankton
Egg Type
  • Pelagic larva
  • Pelagic
  • No data
Global Endemism
  • "Transpacific" (East + Central &/or West Pacific)
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
  • East Pacific + all Atlantic (East+West)
  • All species
  • East Pacific + Atlantic (East +/or West)
  • Transisthmian (East Pacific + Atlantic of Central America)
  • TEP non-endemic
Regional Endemism
  • Tropical Eastern Pacific (TEP) non-endemic
  • All species
  • Continent
  • Continent + Island (s)
  • Island (s)
  • Eastern Pacific non-endemic
  • Resident
Climate Zone
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • South Temperate (Peruvian Province )
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 40
Depth Range Min
  • 0
Depth Range Max
  • 200