Shorefishes of the Eastern Pacific online information system

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Species: Cynoscion praedatorius, Boccone weakfish

All Families:   All Genera:   All Species:

head large, deep
ridge along snout
bulging lower jaw
D IX-X + I, 18-21
C: blunt point
inside mouth orange
A II, 9
all scales smooth
D2 & A fully scaled

Cynoscion praedatorius (Jordan & Gilbert, 1889)

Boccone weakfish

Elongate, fusiform, compressed, oval cross-section; head deep, long (~ 27% of SL); ridge down front of snout; mouth strongly oblique, lower jaw very prominent, bulging; front of top jaws with 1 pair of large pointed canines; no barbels or pores on chin; 9 lower gill rakers; margin of preopercle smooth; dorsal with long base, a small gap separating the two parts, IX-X + I, 18-21; anal II, 9; pectoral fins slightly longer than pelvics; rear margin of tail with blunt point; all scales smooth, small, 60-65 scales on lateral line, these larger than adjacent rows and with small accessory scales; soft dorsal and anal fins entirely scaly.

Blue-grey above, silvery with orange-yellow tint below; spiny dorsal clear; soft dorsal and anal grey, with orange tint; tail dark grey; pelvics pale grey; pectorals orange grey upper 1/3, grey with orange tint below; iris with orange tint; inside mouth orange-yellow; tip of lower jaw dark.

Size: 120 cm.

Habitat: coastal, marine.

Depth: 5-50 m.

Costa Rica to Ecuador.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Near Bottom
  • Water column only
  • Mid Water
  • Water column
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Bentho-Pelagic
Feeding Group
  • No Data
  • Carnivore
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
  • Octopus/squid/cuttlefish
Egg Type
  • Pelagic
  • Pelagic larva
  • No data
Global Endemism
  • East Pacific endemic
  • All species
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Panamic province endemic
  • Continent
  • Continent only
  • All species
  • Continental TEP endemic
  • TEP endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Listed
  • Data deficient
  • Not listed
Length Max
  • 120
Depth Range Min
  • 5
Depth Range Max
  • 50