Overview

Comprehensive Description

Biology

Oceanic species occurring between 375-750 m during the day and between 40-225 m at night.Reach sexual maturity at 7,6 cm (Ref. 47377).
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Distribution

Tropical waters of all three oceans with extensions into higher latitudes in western boundary currents: in the Atlantic to 38°N and 39°S; in the western Pacific to 26°N. Eastern Atlantic: from about 4°N to about 13°S, with some records at about 20°N, but absent over the Mauritanian Upwelling Region.
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Georges Bank to Brazil
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Gulf of Mexico, North West Atlantic, South Africa (country)
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Atlantic and Indo-West Pacific.
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 15 - 17; Analspines: 0; Analsoft rays: 16 - 18
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Size

Maximum size: 105 mm SL
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Max. size

10.5 cm SL (male/unsexed; (Ref. 4479))
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Ecology

Habitat

Environment

bathypelagic; oceanodromous (Ref. 51243); marine; depth range 40 - 820 m (Ref. 13608)
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nektonic
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Known from seamounts and knolls
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Depth range based on 45 specimens in 1 taxon.
Water temperature and chemistry ranges based on 37 samples.

Environmental ranges
  Depth range (m): 50 - 3500
  Temperature range (°C): 1.823 - 26.896
  Nitrate (umol/L): 0.217 - 34.620
  Salinity (PPS): 34.544 - 36.588
  Oxygen (ml/l): 0.360 - 6.141
  Phosphate (umol/l): 0.038 - 2.615
  Silicate (umol/l): 0.885 - 141.240

Graphical representation

Depth range (m): 50 - 3500

Temperature range (°C): 1.823 - 26.896

Nitrate (umol/L): 0.217 - 34.620

Salinity (PPS): 34.544 - 36.588

Oxygen (ml/l): 0.360 - 6.141

Phosphate (umol/l): 0.038 - 2.615

Silicate (umol/l): 0.885 - 141.240
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Depth: 40 - 820m.
From 40 to 820 meters.

Habitat: bathypelagic. Oceanic and mesopelagic, occurs between 375-750 m during the day and between 40-225 m at night.
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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.
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Trophic Strategy

Oceanic species occurring between 375-750 m during the day and between 40-225 m at night.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Diaphus problematicus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 10
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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