Shorefishes of the Greater Caribbean online information system

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Species: Erythrocles monodi, Atlantic Rubyfish, Crimson Rover

All Families:   All Genera:   All Species:

body depth 24-27% SL
head 29-33% SL
D: deep notch, XI
tail base: fleshy keel
head & C base scaled

Erythrocles monodi Poll & Cadenat, 1954

Crimson Rover, Atlantic Rubyfish

Body elongate, oblong, compressed, depth 24-27% SL; head large, pointed, length 29-33% SL; mouth highly protrusible; rear bone of top jaw expanded, scaled, exposed when mouth is closed; jaws toothless or with a few minute conical teeth; rear edge of opercle with 2-3 flat points; lower corner of preopercle rounded, projecting a little to rear as a thin plate; preopercle smooth to weakly serrated; gill rakers long and numerous (33-44); dorsal fin deeply notched but not separated between the two parts, XI, 11-12; anal fin III, 9-10; pectoral fin 18-20; pelvics I, 5; tail base of large fish with a fleshy keel on each side; tail fin strongly forked; head and body covered with small, finely rough scales; soft dorsal and anal fins with a scaly sheath at the base, which covers most of last 2-3 rays; head and tail fin base scaled; lateral line with 68-73 tubed scales.

Head and body silvery red, paler below; fins reddish to pinkish white; iris red.

Reaches 65 cm.

Pelagic over sand-mud bottoms at 45-300 m.

E and W Atlantic; Georgia to the S Caribbean.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Mid Water
  • Water column only
  • Water column
FishBase Habitat
  • Pelagic
Feeding Group
  • Data
  • Planktivore
  • Data
  • Zooplankton
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • Transatlantic (East+West Atlantic)
Regional Endemism
  • Continent
  • Continent + Island (s)
  • Extends North of GC
  • GC non-endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 65
Depth Range Min
  • 45
Depth Range Max
  • 300