Overview

Comprehensive Description

Biology

A common Arctic shallow water & sea ice amphipod
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Source: Arctic Ocean Diversity

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Yellowish-pinkish to light grey; Eyes red; Distincted form congenerics by deep notch on uropod-2
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Source: Arctic Ocean Diversity

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Distribution

southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle banks; eastern boundary: eastern Bradelle Valley), downstream part of middle St. Lawrence estuary, middle North Shore (from Sept- Iles to Cape Whittle, including the Mingan Islands); lower North Shore
  • North-West Atlantic Ocean species (NWARMS)
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Source: World Register of Marine Species

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Ecology

Habitat

bathyal, infralittoral and circalittoral of the Gulf and estuary
  • North-West Atlantic Ocean species (NWARMS)
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Source: World Register of Marine Species

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Depth range based on 59 specimens in 1 taxon.
Water temperature and chemistry ranges based on 18 samples.

Environmental ranges
  Depth range (m): 0 - 310
  Temperature range (°C): -1.210 - 3.434
  Nitrate (umol/L): 2.568 - 6.233
  Salinity (PPS): 25.948 - 34.964
  Oxygen (ml/l): 7.249 - 9.139
  Phosphate (umol/l): 0.376 - 0.673
  Silicate (umol/l): 3.064 - 16.496

Graphical representation

Depth range (m): 0 - 310

Temperature range (°C): -1.210 - 3.434

Nitrate (umol/L): 2.568 - 6.233

Salinity (PPS): 25.948 - 34.964

Oxygen (ml/l): 7.249 - 9.139

Phosphate (umol/l): 0.376 - 0.673

Silicate (umol/l): 3.064 - 16.496
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Panarctic, endemic (only found in Arctic); Seafloor in nearshore waters; Common in intertidal, shallow subtidal, soft sediments; Underside of coastal pack ice during times of ice cover
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Trophic Strategy

Adults opportunistic: herbivorous, scavangers, carnivorous; Diet of crustaceans; sea ice algae during times of ice cover
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Life History and Behavior

Life Cycle

one clutch per year, typcially 10-30 eggs, maximum of 50; up to 100 eggs per female life span; offspring released during spring; Estimated life span 2.5 years
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Onisimus litoralis JMG02

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 12
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Onisimus litoralis JMG01

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

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Barcode data: Onisimus litoralis

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Onisimus litoralis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 4
Specimens with Barcodes: 55
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Disclaimer

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