Overview

Comprehensive Description

Biology

High-oceanic, mesopelagic species; nyctoepipelagic at the surface. Reach sexual maturity at 9.5 cm (Ref. 47377). Taken by midwater trawls in the upper 750 meters (Ref. 33839).
  • Hulley, P.A. 1990 Myctophidae. p. 398-467. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI; Paris; and UNESCO, Paris. Vol. 1. (Ref. 4479)
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Distribution

Circumglobal in the southern hemisphere between about 30°S and the subtropical convergence. Eastern Atlantic: probably south of about 11°S.
  • Hulley, P.A. 1990 Myctophidae. p. 398-467. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI; Paris; and UNESCO, Paris. Vol. 1. (Ref. 4479)
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Southern circumglobal.
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 13 - 15; Analspines: 0; Analsoft rays: 21 - 23
  • Hulley, P.A. 1986 Myctophidae. p. 282-321. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4066)
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Size

Maximum size: 116 mm SL
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Max. size

11.6 cm SL (male/unsexed; (Ref. 4479))
  • Hulley, P.A. 1990 Myctophidae. p. 398-467. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI; Paris; and UNESCO, Paris. Vol. 1. (Ref. 4479)
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Ecology

Habitat

Known from seamounts and knolls
  • Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
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Source: World Register of Marine Species

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Environment

bathypelagic; oceanodromous (Ref. 51243); marine; depth range 100 - 800 m (Ref. 27000)
  • Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243)
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Depth range based on 172 specimens in 1 taxon.
Water temperature and chemistry ranges based on 110 samples.

Environmental ranges
  Depth range (m): 0 - 3600
  Temperature range (°C): 1.870 - 22.791
  Nitrate (umol/L): 0.072 - 33.490
  Salinity (PPS): 34.228 - 35.906
  Oxygen (ml/l): 2.388 - 6.445
  Phosphate (umol/l): 0.126 - 2.341
  Silicate (umol/l): 1.112 - 77.698

Graphical representation

Depth range (m): 0 - 3600

Temperature range (°C): 1.870 - 22.791

Nitrate (umol/L): 0.072 - 33.490

Salinity (PPS): 34.228 - 35.906

Oxygen (ml/l): 2.388 - 6.445

Phosphate (umol/l): 0.126 - 2.341

Silicate (umol/l): 1.112 - 77.698
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 100 - 800m.
From 100 to 800 meters.

Habitat: bathypelagic.
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Migration

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.
  • Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243)
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Trophic Strategy

High-oceanic, mesopelagic species; nyctoepipelagic at the surface. Reach sexual maturity at 9.5 cm (Ref. 47377).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Symbolophorus barnardi

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: Symbolophorus barnardi

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 3
Specimens with Barcodes: 15
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Wikipedia

Symbolophorus barnardi

Symbolophorus barnardi is a lanternfish in the family Myctophidae, found circumglobally in the southern hemisphere between about 30° S and 11° S at depths of between 100 and 800 m. Its length is about 12 cm. It inhabits the deeper waters during the day, and migrates at night to the epipelagic zone.

References

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