Shorefishes of the Greater Caribbean online information system

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Species: Selar crumenophthalmus, Bigeye scad, Purse-eyed scad

All Families:   All Genera:   All Species:

elongate oval
large fatty eyelid covers large eye
D & A: no finlets behind
LL: extension nape only
rear section LL only with scutes

Selar crumenophthalmus (Bloch, 1793)

Bigeye scad, Purse-eyed scad

Body elongate, fusiform, moderately compressed; eye covered with fatty eyelid, with vertical slit in center; margin of bone at rear end of gill chamber with 2 papillae, 1 small one at top, 1 large one at bottom, bottom one with large notch below it; gill rakers 9-12 + 27-37; dorsal rays VIII + I, 24-27, 2 fins close together, no free spines at front; anal rays II free spines +I, 21-23; no isolated finlets after dorsal & anal fins; pectoral longer than head; lateral line extension to nape ends before origin of dorsal fin; tail base slender; tail strongly forked; front curved part of lateral line with a long, low arch, straight part with 0-11 scales and 29-42 scutes; body more or less covered with small scales.

Metallic blue to bluish green above, shading to white below; a yellow stripe sometimes present from opercle margin to upper part of caudal fin base.

Size: to 30 cm.

Habitat: pelagic, forms inshore schools.

Depth: 0-170 m.

Worldwide in tropical and subtropical seas; Nova Scotia to southern Brazil.


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Salinity
  • Marine
  • Brackish
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Near Surface
  • Surface
  • Water column only
Habitat
  • Reef associated (reef + edges-water column & soft bottom)
  • Estuary
  • Water column
FishBase Habitat
  • Pelagic
Feeding Group
  • Planktivore
  • Data
Diet
  • Mobile benthic gastropods/bivalves
  • Zooplankton
  • Mobile benthic worms
  • Pelagic crustacea
  • Pelagic fish larvae
  • Pelagic fish eggs
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic larva
  • Data
  • Pelagic
Global Endemism
  • Greater Caribbean non-endemic
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
Regional Endemism
  • Also in Brazil
  • Continent
  • Island (s)
  • Continent + Island (s)
  • Extends North of GC
  • Extends N + S of GC
  • Extends South of GC
  • GC non-endemic
Residency
  • Resident
Climate Zone
  • Temperate (>35N)
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 30
Depth Range Min
  • 0
Depth Range Max
  • 170