Shorefishes of the Eastern Pacific online information system

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Species: Carangoides otrynter, Thread pompano, Threadfin jack

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diamond shape
head angular
front D & A: long filaments
bases of dorsal rays - dark blotches
no canines
operculum: elongate black blotch

Carangoides otrynter (Jordan & Gilbert, 1883)

Threadfin jack, Thread pompano

Body deep, compressed; head profile angular; both jaws with a band of teeth, at least at the front; gill rakers on first arch (excluding rudiments) 15-17 + 21-23; dorsal rays VIII + I, 18-19; anal rays II + I, 16-17;  elongate and filamentous lobes on dorsal and anal fins; dorsal and anal fins not followed by finlets; pectoral fins longer than head; lateral line anteriorly with moderate arch, the curved part about equal to straight part; straight rear part of lateral line with 0-15 scales, followed by 40-52 small scutes (large, hard spiny scales); a large isolated scaleless area covering front of breast and extending up onto base of pectoral fins .

Generally silvery to silver grey; an elongate black spot on the upper corner of the operculum; small dark blotches between bases of dorsal rays.

Size: grows to 60 cm.

Habitat: coastal pelagic.

Depth: 0-100 m.

Southern Baja and the central Gulf of California to Ecuador, including the Revillagigedos, Galapagos and Malpelo.

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  • Marine
  • Brackish
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom + water column
  • Bottom
  • Near Bottom
  • Mid Water
  • Water column
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Mud
  • Sand & gravel
  • Estuary
FishBase Habitat
  • Bentho-Pelagic
Feeding Group
  • No Data
  • Carnivore
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
  • All species
Regional Endemism
  • Island (s)
  • Continent
  • All species
  • TEP endemic
  • Continent + Island (s)
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • 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
  • 60
Depth Range Min
  • 0
Depth Range Max
  • 100