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Species: Umbrina galapagorum, Galapagos drum

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+/- faint lines on scale rows
inside gill chamber pale
D 26-30
C: straight
pectoral 18
A: 2nd spine thick, 3/4 1st ray

Umbrina galapagorum Steindachner, 1878

Galapagos drum

Body oblong, somewhat compressed, lower profile ~ horizontal; back smoothly arched; head low, broad, conical; snout < eye; mouth ~ horizontal, under projecting snout; chin with 1 short, thick rigid barbel with a pore at its tip, and 2 pairs of pores beside its base; teeth in bands on each jaw, outer row on top jaw larger; 18 (17-21) gill rakers; preopercle finely serrated; dorsal fin with a deep notch, X + I, 28 (26-30), spines slender, second dorsal long base; anal small, II, 6 (5-7) rays, 2nd  spine thick, ¾ length of 1st  ray; pectoral short, not reaching tip of pelvic, 18 (16-20) rays; tail edge straight to slightly concave the upper rays elongated; scales rough on head and body, smooth on fins; bases of soft dorsal and anal fins with scaly sheath; lateral line scales 50-53.

Silvery grey, yellowish below; faint oblique dark lines following scale rows ; fins pale to slightly dusky; inner lining of gill cover pale to lightly dotted.

Size: to at least 45 cm.

Inhabits sandy bays.

Depth: 1-20 m.

The Galapagos Islands, rare at Cocos Is.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Near Bottom
  • Bottom + water column
Habitat
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Water column
  • Soft bottom only
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Bentho-Pelagic
Feeding Group
  • No Data
  • Carnivore
Diet
  • Mobile benthic gastropods/bivalves
  • Mobile benthic crustacea (shrimps/crabs)
  • Data
  • Mobile benthic worms
Egg Type
  • Pelagic
  • Pelagic larva
  • No data
Global Endemism
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
  • All species
Regional Endemism
  • TEP endemic
  • Island (s)
  • Island (s) only
  • TEP oceanic island (s) endemic
  • Galapagos Islands endemic
  • All species
Residency
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Vulnerable
  • Listed
CITES
  • Not listed
Length Max
  • 45
Depth Range Min
  • 1
Depth Range Max
  • 20