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Species: Euthynnus affinis, the Kawakawa

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lines on back: ~ 12 oblique
black spots above pelvic
gill rakers 29-33

Euthynnus affinis (Cantor, 1849)


Elongate, fusiform; no fatty eyelid; jaw teeth slender, conical; top of tongue with 2 cartilaginous crests; 29-33 gill rakers; 1st  dorsal XII-XVI; 2 dorsal fins barely separated; front of 1st  dorsal high; ~ 9 dorsal finlets and ~ 7 anal finlets; bone between base of pelvics short, forked; pectorals 25-29 rays; two small keels separated by one large one on tail base; corselet of large, thickened scales on front body, body scaleless behind corselet.

Bluey above, silvery below; a cluster of black spots on belly above pelvic fin; ~ 12 oblique dark lines on upper back behind corselet.

Size: 110 cm; at least 13.2 kg.

Habitat: surface pelagic, coastal.

Depth: 0-50 m.

Indo-Pacific; vagrants between S California, the Revillagigedos and southern Baja.

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  • Marine Only
  • Marine
  • Offshore
  • Offshore Only
Water Column Position
  • Mid Water
  • Surface
  • Water column only
  • Near Surface
  • Water column
FishBase Habitat
  • Pelagic
Feeding Group
  • Data
  • Carnivore
  • Data
  • Bony fishes
  • Zooplankton
  • Pelagic crustacea
  • Octopus/squid/cuttlefish
Egg Type
  • Pelagic
  • Pelagic larva
  • No data
Global Endemism
  • "Transpacific" (East + Central &/or West Pacific)
  • All Pacific (West + Central + East)
  • Indo-Pacific only (Indian + Pacific Oceans)
  • All species
  • TEP non-endemic
Regional Endemism
  • Island (s)
  • Island (s) only
  • Tropical Eastern Pacific (TEP) non-endemic
  • All species
  • Eastern Pacific non-endemic
  • Vagrant
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Length Max
  • 110
Depth Range Min
  • 0
Depth Range Max
  • 50