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Species: Peristedion truncatum, Black Armored Searobin

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head medium wide
barbells: lip - short filament + 5-6; chin 17-20
face rim medium wide, undulating, serrated, end - flat triangular wing, rear edge forward
rostral plates medium, < snout

Peristedion truncatum (Gunther, 1880)

Black Armored Searobin

Head and body flattened below, body low, very broad, completely covered in a heavy armor of 4 rows of bony spiny scales; body not rectangular, dimensions at anus < dimensions at head; wide between eyes; head moderately long, slightly depressed, moderately wide; bony rim around sides of head not very wide, edge undulating & serrated, ends on a flat, triangular wing with its rear edge angled slightly forwards; small or absent spine at nostril, small spine at base of snout plates; snout long, depressed; rostral plates moderately long, < snout, straight to slightly diverging; opercular spine long; barbels: filamentous barbel extends to end of bony head rim; 5-6 thin lower lip barbells in 3 clusters; 17-20 very slender chin barbels in 6 clusters; gill rakers 4-5+20-23; dorsal fin divided into separate spiny and soft parts, VIII + 18-19, both parts low; anal fin without spines, 18-19; pectoral fin 12 + 2 free rays, 1st free ray longer than short main fin; pelvic fins wide apart, below base of pectorals, I,5 rays, fins short; front edge of first spiny plate under belly behind front of bony pelvic girdle.

Head and body reddish; outer edge of first dorsal fin dark red; soft dorsal with a double row of dark spots; outer 2/3 of pectoral dark.

Reaches 19 cm.

Found on sand/mud bottoms.

Depth range: 155-910 m.

New Jersey 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
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Bathydemersal
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 + Island (s)
  • Continental primarily
  • Extends N + S of GC
  • Extends North of GC
  • Extends South of GC
  • GC non-endemic
  • Island (s)
  • 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
  • 19
Depth Range Min
  • 155
Depth Range Max
  • 910