Overview

Comprehensive Description

Description

Bright-red color

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Distribution

Central Arctic Ocean, Kara Sea, Norwegian Sea, Greenland Sea, North Atlantic

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Source: iArcZoo

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Physical Description

Morphology

Female: The base of the frontal organ is set low. The back corners of the last thoracic segments protrude slightly and are rounded and pubescent on the bottom edge. The genital segment is symmetrical with a transverse fold, which is best developed in the left proximal side of the segment. The ventral protuberance is tilted backward and has 2 peaks very close to each other. The genital field is symmetrical, mounts small and incomplete. A1 almost as long as the cephalothorax. The outer edge of the first segment of the exopodite of P1 is convex and carries a small spine. The outer spine of the first segment of P1 reaches beyond the base of the next spine.
Male: Exopodite of P1 contains 3 segments. The penultimate segment of the exopodite of the left P5 contains a serrated plate, which has a flat top and lacks a sharpened tip. Serrations are present not only on the bottom edge, but on all edges, they are dull and densely placed.

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Size

Females: 9.80-11.00 mm
Males: 6.21-8.00 mm

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Diagnostic Description

Females: Ventral projection on the genital segment at an angle of 45 degrees and has two peaks. Genital segment does not carry bumps on the distal or proximal end.
Males: Exopodite of the left P5 contains serrated plate with a flat top, which is serrated on all edges. Serrations they are dull and densely placed.

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Ecology

Habitat

Depth range based on 947 specimens in 1 taxon.
Water temperature and chemistry ranges based on 688 samples.

Environmental ranges
  Depth range (m): 0 - 1956.95
  Temperature range (°C): -1.803 - 13.810
  Nitrate (umol/L): 0.460 - 17.777
  Salinity (PPS): 25.752 - 35.487
  Oxygen (ml/l): 5.700 - 9.143
  Phosphate (umol/l): 0.185 - 1.769
  Silicate (umol/l): 1.851 - 34.555

Graphical representation

Depth range (m): 0 - 1956.95

Temperature range (°C): -1.803 - 13.810

Nitrate (umol/L): 0.460 - 17.777

Salinity (PPS): 25.752 - 35.487

Oxygen (ml/l): 5.700 - 9.143

Phosphate (umol/l): 0.185 - 1.769

Silicate (umol/l): 1.851 - 34.555
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Oceanic, meso- to bathypelagic species. Found below 200m in sub-Arctic seas and below 50m in the central Arctic. Juvenile stages may occur at smaller depths.

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Trophic Strategy

Active predators, feed on smaller copepods. Implements a sit-and-wait strategy, staying motionless in the water column, until prey comes into reach, then rapidly jumps towards the prey by movements of the thoracopods and the first antennae and catches the victim with the enlarged maxillipeds.

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Life History and Behavior

Reproduction

Egg-brooding species. Carry resistant sacs with a strong, highly visible membrane, which contain 40-80 black to dark brown eggs.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Paraeuchaeta glacialis

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


There is 1 barcode sequence available from BOLD and GenBank.   Below is the sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.  See the BOLD taxonomy browser for more complete information about this specimen.  Other sequences that do not yet meet barcode criteria may also be available.

ACAGCTCATGCATTTATTATAATTTTTTTTATAGTTATACCTATTCTTATTGGAGGATTGGGGAATTGATTAGTGCCTTTAATA---TTAGGGGCTGCAGATATGGCTTTCCCTCGTATAAATAATATAAGATTTTGATTTCTTATGCCTGCCCTAATTATACTTTTATCTAGATCTTTTGTAGAAAGAGGGGCTGGAACAGGTTGAACAGTATATCCTCCNNTATCTAGAAATATTGCGCATGCGGGAGGATCGGTAGATTTT---GCTATTTTTTCTTTACATTTAGCCGGAGTTAGATCTATTTTAGGGGCTGTAAATTTTATTAGGACCTTAGGTAATTTACGAGTGTTTGGTATACTATTAGACCGAGTTCCTTTATTTGCATGATCTGTATTAATCACGGCTGTTCTCTTATTATTNTCTTTACCTGTATTGGCCGGG---GCTATTACTATATTGTTGACAGACCGAAATTTAAATACAACTTTTTATGATGTGGGGGGCGGGGGAGATCCTATTTTGTATCAGCATTTATTCTGGTTTTTTGGTCATCCTGAAGTGTATATT
-- end --

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

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Statistics of barcoding coverage: Paraeuchaeta glacialis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 3
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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