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Species: Cilus gilberti, Corvina drum

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elongate, compressed
eye large
blue-grey + faint lines
tail base long
C concave
mouth large, oblique, opens at front
no canines
interior base of pectoral & gill chamber dark

Cilus gilberti (Abbott, 1899)

Corvina drum

Body elongated, compressed, dorsal profile gently convex at nape, nearly straight over head and snout, with long tail base; head long, compressed; snout moderately long, conical; eye large (17% of head length); mouth large, oblique, opens at front; teeth in 2-3 series, without canines; chin with a pair of pores on each side and a hole in center, without barbels; gill rakers short, 22-29 preoperculum weakly serrated; dorsal fin VIII-IX, I, 21-23, spines long, slender, with deep notch between spiny and soft parts; anal fin II, 8-10, 2nd  spine slender, about 2/3 length of longest ray; pectoral 16-18, moderately long ( reaching to tip of pelvic), pointed; pelvics inserted a little behind base of pectoral, without a filament; tail concave; scales smooth on body, rough on head; 72-76 scales on lateral line, 8 rows between lateral line and 1st  dorsal spine; lateral line slightly arched at front, curving down to mid-body at level of anal fin origin.

Blue-grey above, silver below; faint lines along scale rows; lining of gill cavity dark; inner base of pectoral dark, inner ¼ of fin dark grey, outer ¾ yellow; dorsal grey; tail dark grey, lower border broadly yellow; anal yellow; pelvics pale yellow.

Size: reaches 75 cm.

Habitat: soft bottoms.

Dept: 5-50 m?.

Northern Peru to Chile, plus the Galapagos.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Sand & gravel
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
  • Bony fishes
Egg Type
  • Pelagic
  • Pelagic larva
  • No data
Global Endemism
  • TEP non-endemic
  • East Pacific endemic
  • All species
Regional Endemism
  • All species
  • Peruvian province, primarily
  • Tropical Eastern Pacific (TEP) non-endemic
  • Continent + Island (s)
  • Island (s)
  • Temperate Eastern Pacific, primarily
  • Continent
  • Vagrant
Climate Zone
  • South Temperate (Peruvian Province )
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 75
Depth Range Min
  • 5
Depth Range Max
  • 50