Shorefishes of the Eastern Pacific online information system

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Species: Genyatremus dovii, Black-barred grunt, Spot-head Sargo, Spotted-head grunt

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4-5 dark bars
longest D spine & 2nd A spine > 1/2 head
depression before eye

Genyatremus dovii (Günther, 1864)

Black-barred grunt, Spot-head sargo, Spotted-head grunt

Body deep, compressed, back high; head small, blunt, a conspicuous depression before eye; rear margin of bone under eye concealed by scales; mouth small, low, ~horizontal, lips thick;  teeth in bands on jaws, outer ones larger, conical; chin  with 2 pores, with a central groove; preopercle finely serrated, but no enlarged spines; dorsal continuous, but not deeply notched,  XI-XII, 13-16; anal III, 9-10, 2nd  spine long and thick;  longest dorsal spine and 2nd  anal spine > ½ head length; pectoral fins relatively short, not reaching anal origin; tail forked; scales small, in oblique rows above, horizontal rows below; scales over entire body and head except front of snout, lips and chin; soft dorsal and anal without scales; lines of scales above lateral line in rows parallel to that line; lateral-line scales 45-52.

Whitish to dusky pale grey with 4-5 blackish bars on body and head; soft dorsal and soft part of anal fin dusky blackish.

Size: reaches 40 cm.

Inhabits soft bottoms of trawling grounds.

Depth: 10-40 m.

The SE Gulf of California to northern Peru.

Nota: Previously in the genus Anisotremus.

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  • Brackish
  • Marine
  • Inshore Only
  • Inshore
Water Column Position
  • Near Bottom
  • Bottom + water column
  • Bottom
  • Sand & gravel
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Mud
  • Water column
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
  • Mobile benthic worms
  • Sponges/seasquirts/bryozoa
  • Mobile benthic gastropods/bivalves
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic
  • No data
  • Pelagic larva
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • 3 provinces (Cortez + Mexican + Panamic) endemic
  • TEP endemic
  • Continent only
  • Continent
  • Continental TEP endemic
  • All species
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Length Max
  • 40
Depth Range Min
  • 10
Depth Range Max
  • 40