Overview

Comprehensive Description

Description

  Common names: armored sea-robin (English), cabro (Espanol), cocodrilo (Espanol)
 
Peristedion barbiger Garman, 1899

Bearded armoured searobin

The head and body flattened below and completely covered in a heavy armor of bony plates and spines; bony shield covering head ends in an pointed wing; snout long and broad, extended in a pair of  short, broad bony plates that converge towards front; barbels below the lower jaw in a short, thick bush, 1 moderately short filamentous barbell + 21-26 short barbells;  no large spines on the preoperculum; dorsal fin divided into spiny and soft parts, VIII + 18; pectoral fin with main fin (11-13) plus 2 free rays below; anal fin without spines, 18-20; pelvic fins are wide apart, below base of pectorals, with I, 5 rays; lateral line plates 33.



Brick red body; fins pale translucent pinkish; outer 2/3 of first dorsal covered by a large black blotch.

Reaches 15.5 cm.

Habitat: on soft bottoms.

Depth 50-295 m.

Costa Rica to northern Peru; vagrant in the Galapagos.
   
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Biology

Needs better reference.
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Distribution

Zoogeography

See Map (including site records) of Distribution in the Tropical Eastern Pacific 
 
Global Endemism: All species, East Pacific endemic, Tropical Eastern Pacific (TEP) endemic

Regional Endemism: All species, TEP endemic, Continental TEP endemic, Panamic province endemic, Continent, Continent only

Residency: Resident

Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo), South Temperate (Peruvian Province )
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Eastern Central Pacific.
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Eastern Pacific.
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Depth

Depth Range (m): 50 (S) - 295 (S)
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Physical Description

Morphology

Size

Length max (cm): 15.5 (S)
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Size

Max. size

13.7 cm SL (male/unsexed; (Ref. 86275))
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Type Information

Paratype for Peristedium barbiger
Catalog Number: USNM 153601
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Year Collected: 1891
Locality: Pacific Off Panama:, Panama, Pacific
Depth (m): 232 to 232
Vessel: Albatross
  • Paratype:
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Ecology

Habitat

Environment

demersal; marine; depth range 102 - 102 m (Ref. 58018)
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Depth range based on 27 specimens in 1 taxon.
Water temperature and chemistry ranges based on 5 samples.

Environmental ranges
  Depth range (m): 48 - 311
  Temperature range (°C): 12.983 - 20.601
  Nitrate (umol/L): 5.890 - 31.128
  Salinity (PPS): 34.845 - 36.633
  Oxygen (ml/l): 0.373 - 3.662
  Phosphate (umol/l): 0.470 - 2.244
  Silicate (umol/l): 2.306 - 27.850

Graphical representation

Depth range (m): 48 - 311

Temperature range (°C): 12.983 - 20.601

Nitrate (umol/L): 5.890 - 31.128

Salinity (PPS): 34.845 - 36.633

Oxygen (ml/l): 0.373 - 3.662

Phosphate (umol/l): 0.470 - 2.244

Silicate (umol/l): 2.306 - 27.850
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Salinity: Marine, Marine Only

Inshore/Offshore: Inshore, Inshore Only

Water Column Position: Bottom, Bottom only

Habitat: Soft bottom (mud, sand,gravel, beach, estuary & mangrove), Soft bottom only, Mud, Beach

FishBase Habitat: Demersal
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Trophic Strategy

Feeding

Feeding Group: Carnivore

Diet: mobile benthic worms, mobile benthic crustacea (shrimps/crabs)
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Life History and Behavior

Reproduction

Egg Type: Pelagic, Pelagic larva
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Conservation

Conservation Status

IUCN Red List: Not evaluated / Listed

CITES: Not listed
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Threats

Not Evaluated
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