Overview

Comprehensive Description

Biology

Mesopelagic (Ref. 58302).
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Distribution

Indo-West Pacific: northern Madagascar to adjacent waters of the Ogasawara Islands and adjacent waters of the Hawaiian Islands. Also reported from the Philippine Sea.
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Indo-West Pacific: Madagascar east to Hawaiian Islands and near the equator to about 98°W.
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 17 - 21; Analspines: 0; Analsoft rays: 13 - 17; Vertebrae: 48 - 49
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Size

Maximum size: 108 mm SL
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Max. size

10.8 cm SL (male/unsexed; (Ref. 27684)); 10.8 cm SL (female)
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Diagnostic Description

A large luminous patch on opercular bones. Body uniformly black; its color pink in fresh condition, but whitish when preserved. AC continuous, almost in a straight line. Serial photopores numerous. IV with a prominent bend toward pectoral base. Barbel about as long as head in males, but minute in females.
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Ecology

Habitat

Environment

bathypelagic; marine; depth range 120 - 800 m (Ref. 27684)
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Depth range based on 56 specimens in 1 taxon.
Water temperature and chemistry ranges based on 32 samples.

Environmental ranges
  Depth range (m): 60 - 3000
  Temperature range (°C): 1.897 - 26.223
  Nitrate (umol/L): 1.280 - 44.526
  Salinity (PPS): 34.160 - 35.970
  Oxygen (ml/l): 0.360 - 4.510
  Phosphate (umol/l): 0.196 - 3.229
  Silicate (umol/l): 0.861 - 126.275

Graphical representation

Depth range (m): 60 - 3000

Temperature range (°C): 1.897 - 26.223

Nitrate (umol/L): 1.280 - 44.526

Salinity (PPS): 34.160 - 35.970

Oxygen (ml/l): 0.360 - 4.510

Phosphate (umol/l): 0.196 - 3.229

Silicate (umol/l): 0.861 - 126.275
 
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Depth: 120 - 800m.
From 120 to 800 meters.

Habitat: bathypelagic.
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Conservation

Threats

Not Evaluated
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Disclaimer

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