Overview

Comprehensive Description

Biology

Found on soft bottoms of the continental plateau (Ref. 5217, 5377). Feeds on worms and crustaceans. Exhibits sexual dimorphism (Ref. 35237). Minimum depth reported from Ref. 27000.
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Distribution

Distribution

Western Atlantic: Browns Bank to São Paulo, Brazil
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Distribution

Gulf of Maine, Gulf of Mexico, North West Atlantic
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Western Atlantic: Canada (Ref. 5951) to Florida, USA to São Paulo, Brazil. Records of Syacium micrurum from the eastern Atlantic refer to Syacium guineensis.
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 83 - 92; Analspines: 0; Analsoft rays: 64 - 74
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Size

Maximum size: 400 mm NG
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Max. size

40.0 cm TL (male/unsexed; (Ref. 5377)); max. published weight: 500 g (Ref. 27584)
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Diagnostic Description

In males, the 1st and 2nd rays of the pectoral fin become filamentous (Ref. 35237).
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Type Information

Type for Syacium micrurum
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): D. Jordan
Locality: Havana, Cuba, Cuba, Greater Antilles, Caribbean Sea, Atlantic
  • Type:
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Ecology

Habitat

Habitat

benthic
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Habitat

Found on soft bottoms of the continental plateau.
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Depth range based on 131 specimens in 1 taxon.
Water temperature and chemistry ranges based on 78 samples.

Environmental ranges
  Depth range (m): 0.9 - 402
  Temperature range (°C): 7.115 - 27.643
  Nitrate (umol/L): 0.289 - 15.495
  Salinity (PPS): 33.480 - 36.754
  Oxygen (ml/l): 2.612 - 6.022
  Phosphate (umol/l): 0.038 - 1.111
  Silicate (umol/l): 0.756 - 8.661

Graphical representation

Depth range (m): 0.9 - 402

Temperature range (°C): 7.115 - 27.643

Nitrate (umol/L): 0.289 - 15.495

Salinity (PPS): 33.480 - 36.754

Oxygen (ml/l): 2.612 - 6.022

Phosphate (umol/l): 0.038 - 1.111

Silicate (umol/l): 0.756 - 8.661
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Depth: 25 - 400m.
From 25 to 400 meters.

Habitat: benthopelagic. Neritic and epipelagic (Ref. 5979), on sand, mud and gravel bottoms (Ref. 2683).
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Environment

benthopelagic; marine; depth range 25 - 412 m (Ref. 5951), usually ? - 100 m (Ref. 5217)
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Syacium micrurum

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Species: 7
Species With Barcodes: 1

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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: minor commercial; aquarium: commercial
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Disclaimer

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