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Species: Peristedion thompsoni, Rimspine Searobin, Rimspine Armored Searobin

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head v broad, wide between eyes
face rim not wide, end - sharp, flat spine
rostral plates v short, broad
barbells: lip - short filament + 5-12; chin - 12-18

Peristedion thompsoni Fowler, 1952

Rimspine Searobin, Rimspine Armored Searobin

Head and body low, broad, flattened below, body completely covered in a heavy armor of 4 rows of bony spiny scales; wide between eyes; head high, long, very broad; bony rim around sides of head not very wide, ends in a flat, sharp spine; small spine at nostril in juvenile, small spine at base of snout plates; snout short, broad; rostral plates very short, broad; lower jaw with 1 serrated ridge; barbels: filamentous barbel short (slightly > longest chin barbel), heavily filamented from base to tip; 5 or 6-12 thin lower lip barbells in 2 clusters; 12-18 flat, sharply pointed chin barbels in 4 clusters; gill rakers 2 + 18-22; dorsal fin divided into separate spiny and soft parts, VII + 15, both parts very high; anal fin without spines, 16, variable height; pectoral fin 12 + 2 free rays, fin long, free rays variable length; pelvic fins wide apart, moderately long, below base of pectorals, I,5 rays; front edge of first spiny plate under belly at or before front of bony pelvic girdle.

Head and body probably reddish.

Reaches 29 cm.

Found on sand/mud bottoms.

Depth range: 115-480 m.

North Carolina to Brazil.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • 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 only
  • Extends N + S of GC
  • Extends North of GC
  • Extends South of GC
  • GC non-endemic
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 29
Depth Range Min
  • 115
Depth Range Max
  • 480