Shorefishes of the Eastern Pacific online information system

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Species: Umbrina xanti, Golden drum, Polla drum, Surf croaker

All Families:   All Genera:   All Species:

top scale rows - oblique lines
D 26-32
C: slightly concave
inside operculum black; gut cavity pale
A: 6; 2nd spine slender, 3/4 1st ray

Umbrina xanti Gill, 1862

Surf croaker, Polla drum, Golden drum

Body oblong, somewhat compressed, lower profile ~ horizontal; back strongly 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 (16-21) gill rakers; preopercle finely serrated; dorsal fin with a deep notch, X + I, 28 (26-32), spines slender, second dorsal long base; anal small, II, 6 (rarely 7) rays, 2nd  spine slender, ¾ length of 1st  ray; pectoral short, not reaching tip of pelvic, 17 (14-19) rays; tail edge straight to slightly concave; scales rough on head and body, smooth on fins; bases of soft dorsal and anal fins with scaly sheath; lateral line scales 45-51.

Silvery, greenish brown on upper back; dark lines following scale rows on back and sides; dorsal and caudal fins dusky, pectorals, pelvics and anal fin yellow; inner lining of gill cover intensely black; lining of gut cavity light, at least ventrally.

Size: grows to about 46.5 cm.

Inhabits coastal waters.

Depth: 1-35 m.

Southern Baja and the Gulf of California to Chile, and Cocos.

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  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom + water column
  • Near Bottom
  • Bottom
  • Water column
  • Sand & gravel
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Mobile benthic gastropods/bivalves
  • Bony fishes
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
  • Data
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • Island (s)
  • Continent
  • TEP endemic
  • Continent + Island (s)
  • All species
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • South Temperate (Peruvian Province )
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 46.5
Depth Range Min
  • 1
Depth Range Max
  • 35