Overview

Comprehensive Description

Lives in close proximity to vent openings or in shimmering water from crevices with diffuse flow, among numerous Bathymodiolus bivalves. Numerous ovigerous females in the June-July samples. This species was found in the enteron of Candelabrum phrygium (Cnidaria, Hydrozoa) which lives in the same area.
  • KOMAI T. & M. SEGONZAC (2003) Cah. Biol. Mar. 44: 199-215.

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Distribution

Known from hydrothermal vent sites along the Mid-Atlantic Ridge between 38°N and 14°N: Menez Gwen, Lucky Strike, Rainbow, Broken Spur, TAG, Snake Pit, Logatchev.
  • KOMAI T. & M. SEGONZAC (2003) Cah. Biol. Mar. 44: 199-215.

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Physical Description

Morphology

Rostrum triangular, terminating bluntly or subacutely in dorsal view, flattened dorsoventrally, reaching to slightly overreaching antennal spine; no dorsal or ventral teeth. Carapace somewhat compressed laterally, with short transverse (vertical) rows of minute to short setae on lateral parts; dorsal surface rounded in males and non-ovigerous females, broadly carinate in ovigerous females, general outline in lateral view faintly sinuous to weakly convex; in ovigerous females, submedian areas very shallowly depressed and ornamented with numerous longitudinal striae; antennal spine acute; pterygostomial angle weakly produced, terminating subacutely. Fourth abdominal pleuron rounded posteriorly; fifth pleuron with subacutely pointed posterolateral angle. Telson barely narrowed posteriorly, bearing row of 7-9 dorsolateral spines arranged in sinuous row; posterior margin broadly convex, occasionally with shallow median emargination, bearing 12-19 spines in total; 1-3 spines at posterolateral angle shorter than mesial spines, simple, while remaining mesial spines elongate, bearing minute marginal setules. Eye-stalks rather large but degenerated, broadly fused mesially without trace of median separation; no distinct spine or tubercle on anterior surface. Chela of first pereopod with fine row of long submarginal setae on outer surface along cutting edges of fingers. Third to fifth pereopods moderately slender to stout; dactyli armed with single row of accessory spinules on ventral margin; meri unarmed; ischia with spines in third, usually unarmed in fourth and fifth. Third maxilliped and first to fourth pereopods with strap-like epipods. Appendices internae on second to fourth pereopods rudimentary or absent.
  • KOMAI T. & M. SEGONZAC (2003) Cah. Biol. Mar. 44: 199-215.

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Size

Females carapace length 3.3-8.7 mm, males carapace length 3.8-7.2 mm.
  • KOMAI T. & M. SEGONZAC (2003) Cah. Biol. Mar. 44: 199-215.

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Ecology

Habitat

Depth range based on 7 specimens in 1 taxon.
Water temperature and chemistry ranges based on 7 samples.

Environmental ranges
  Depth range (m): 855 - 3650
  Temperature range (°C): 2.523 - 8.464
  Nitrate (umol/L): 17.840 - 22.153
  Salinity (PPS): 34.913 - 35.403
  Oxygen (ml/l): 4.494 - 6.060
  Phosphate (umol/l): 1.121 - 1.496
  Silicate (umol/l): 11.000 - 42.727

Graphical representation

Depth range (m): 855 - 3650

Temperature range (°C): 2.523 - 8.464

Nitrate (umol/L): 17.840 - 22.153

Salinity (PPS): 34.913 - 35.403

Oxygen (ml/l): 4.494 - 6.060

Phosphate (umol/l): 1.121 - 1.496

Silicate (umol/l): 11.000 - 42.727
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth range based on 1 specimen in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 1623 - 1623
  Temperature range (°C): 4.957 - 4.957
  Nitrate (umol/L): 18.089 - 18.089
  Salinity (PPS): 35.115 - 35.115
  Oxygen (ml/l): 5.605 - 5.605
  Phosphate (umol/l): 1.153 - 1.153
  Silicate (umol/l): 12.492 - 12.492
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Mirocaris fortunata

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


There are 2 barcode sequences available from BOLD and GenBank.  Below is a 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 and other sequences.

GGAACTGCCTTA---AGTCTTCTAATCCGTGCGGAACTAGGACAACCAGGAAGGCTTATTGGAAAT---GACCAAATTTATAACGTTATCGTCACAGCCCATGCTTTCATTATAATTTTCTTCATAGTTATACCTATTATGATAGGAGGATTTGGTAATTGACTACTGCCCCTTATA---TTAGGAGCCCCTGATATAGCTTTCCCCCGAATAAACAATATAAGATTCTGACTCTTACCTCCCTCCCTTACACTTCTCCTTTCTAGAGGTATAGTAGAAAGAGGTGTAGGTACAGGATGAACTGTTTACCCCCCACTAGCTGCTGGAATTGCACATGCCGGTGCCTCAGTAGACATA---GCAATTTTCTCCCTACATCTAGCGGGAGTCTCCTCAATTCTAGGAGCCGTTAATTTTATAACTACCTGTATTAATATACGAATAAGAGGTATAACAATAGACCGTATACCACTATTCGTTTGATCAATCTTCTTAACAGCTGTACTATTACTTCTATCCCTTCCTGTATTAGCAGGA---GCTATTACTATACTACTAACCGATCGAAATCTTAACACATCTTTCTTCGATCC
-- end --

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Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Mirocaris fortunata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 3
Specimens with Barcodes: 3
Species With Barcodes: 1
Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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