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Species: Haemulopsis corvinaeformis, Roughneck Grunt

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scales - dark centers - > lines below LL, shoulder - dark blotch
D XII, 13-15
A spines short, weak
D scales: 1 row on membranes
10 rows scales under LL

Haemulopsis corvinaeformis (Steindachner, 1868)

Roughneck Grunt

Body elongate, robust, (depth 25-30% of SL), strongly compressed; rear margin of bone under eye concealed by scales; mouth small to moderate size, inside not red, lips thin; chin with 2 pores at front and 2 inside hole behind, plus a longitudinal groove; preopercle finely serrated, ventral serrations not forward pointing; 10-12 short lower gill rakers; dorsal fin XII, 13-15; anal rays III, 6-7, spines all short and weak; scales over entire body and head except front of snout, lips and chin; scales in longitudinal series just above lateral-line 49-52; 5-6 scale rows above and 10 rows below lateral line; soft dorsal fin with a low sheath of scales on its base and 1 row of scales on membranes between rays.

Dark olive above, silvery below; a diffuse dark blotch on shoulder; lips with dark edges; a dark line along each row of scales below the lateral line; scales above lateral line with dark centers that do not form lines; dorsal, tail, anal and pelvic fins with dark edges.

Size: grows to at least 25 cm.

Inhabits on mud and sand bottoms or low relief rubble and hard bottoms.

Depth: 0-50 m.

Cuba to Brazil.

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  • Brackish
  • Freshwater
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Freshwater
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
  • Mobile benthic worms
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent + Island (s)
  • Continental primarily
  • Extends South of GC
  • GC non-endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 25
Depth Range Min
  • 0
Depth Range Max
  • 50