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Overview

Comprehensive Description

Biology

Occurs offshore in warm and temperate waters (Ref. 6697). May spawn widely in the subtropics (Ref. 6697).
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Distribution

Distribution

all oceans
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Distribution

Azores Exclusive Economic Zone, British Columbia, Canadian Exclusive Economic Zone [Pacific part], Coastal Waters of Southeast Alaska and British Columbia, European waters (ERMS scope), FAO fishing area 67, Gulf of Maine, Madagascar, New Zealand Exclusive Economic Zone, North East Pacific, North Pacific, North West Atlantic, Portugese Exclusive Economic Zone, South Africa (country), Spanish Exclusive Economic Zone, United Kingdom Exclusive Economic Zone
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National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Circumglobal: In tropical to temperate waters. Western Pacific: Japan (Ref. 559). Eastern Pacific: Alaska to southern California, USA. Eastern Atlantic: Madeira to Iceland and northern Norway (Ref. 6697); Cape Province, South Africa (Ref. 4388). Western Indian Ocean: southern Madagascar and Natal, South Africa (Ref. 4388); Maldives (Ref. 30829). Highly migratory species, Annex I of the 1982 Convention on the Law of the Sea (Ref. 26139).
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 31 - 34; Analspines: 0; Analsoft rays: 23 - 26
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Size

Maximum size: 500 mm SL
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Max. size

50.0 cm SL (male/unsexed; (Ref. 6697))
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Diagnostic Description

Lateral line generally present. Dorsal profile of head between eyes flat or slightly convex, not notably arched. Dorsal and anal fins with scales.
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Ecology

Habitat

Habitat

Occurs offshore in warm and temperate waters.
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Habitat

nektonic
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Depth range based on 3 specimens in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 151.89 - 1035
  Temperature range (°C): 7.692 - 7.692
  Nitrate (umol/L): 19.224 - 19.224
  Salinity (PPS): 34.497 - 34.497
  Oxygen (ml/l): 5.475 - 5.475
  Phosphate (umol/l): 1.364 - 1.364
  Silicate (umol/l): 9.116 - 9.116

Graphical representation

Depth range (m): 151.89 - 1035
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Habitat Type: Marine

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Environment

pelagic-oceanic; oceanodromous (Ref. 51243); marine; depth range 1 - 140 m (Ref. 58302)
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Migration

Non-Migrant: No. All populations of this species make significant seasonal migrations.

Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).

Locally Migrant: No. No populations of this species make annual migrations of over 200 km.

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Oceanodromous. Migrating within oceans typically between spawning and different feeding areas, as tunas do. Migrations should be cyclical and predictable and cover more than 100 km.
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Trophic Strategy

Occurs offshore in warm and temperate waters (Ref. 6697).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Taractes asper

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.
 
MFC012-08|MFC012|Taractes asper| ------------------------------------------CTCTATCTAGTATTTGGTGCATGAGCTGGAATAGTAGGCACAGCCCTA---AGCCTACTCATCCGTGCTGAACTAAGCCAACCTGGCGCCCTCCTTGGGGAT---GACCAAATCTATAATGTTATCGTTACAGCACACGCTTTCGTAATAATCTTCTTTATAGTAATACCAATCATGATTGGAGGCTTCGGAAACTGACTCATCCCCTTGATG---ATTGGAGCCCCTGACATGGCATTCCCTCGAATGAACAACATAAGCTTCTGACTACTGCCCCCCTCCTTCCTCTTACTTCTTGCCTCTTCAGGAGTTGAAGCAGGGGCCGGAACTGGATGAACAGTTTACCCTCCCCTAGCCGGCAATCTGGCCCACGCCGGAGCATCTGTGGACCTA---ACCATCTTCTCTCTTCACCTAGCAGGGGTCTCCTCAATTCTAGGGGCCATTAACTTTATCACAACAATTATCAACATAAAACCCACCGCCATTTCTCAGTACCAAACACCACTATTTGTGTGATCTGTCCTAATCACCGCCGTCCTCCTTCTGCTATCCCTTCCCGTACTAGCCGCT---GGCATCACAATACTACTTACAGACCGAAACTTAAACACAACCTTCTTTGACCCCGCAGGTGGAGGGGACCCTATCCTTTACCAGCACCTA------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 
-- end --

Download FASTA File
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Statistics of barcoding coverage: Taractes asper

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Species: 2
Species With Barcodes: 1

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Statistics of barcoding coverage: Taractes asper

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Species: 5
Species With Barcodes: 1

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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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Threats

Not Evaluated
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