Articles on this page are available in 1 other language: Chinese (Simplified) (4) (learn more)

Overview

Comprehensive Description

Biology

High-oceanic (Ref. 4479). Mesopelagic (Ref. 58302). Found between 175-550 m during the day and near the surface to about 225 m at night (Ref. 4066, 58302). Large males partially or non-migratory (Ref. 4066). Exhibits dwarfing in minimum region off Brazil with a maximum length of about 3.6 cm SL and sexual maturity from about 2.7 cm SL (Ref. 4479).
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© FishBase

Source: FishBase

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Distribution

Sable Island Bank to Uruguay
  • North-West Atlantic Ocean species (NWARMS)
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Circumglobal: In tropical to subtropical waters. Eastern Atlantic: Morocco to Angola. Western Atlantic: USA to Uruguay. Western Pacific: warmer waters and in Kuroshio (Japan Current). Indian Ocean: Mozambique Channel and Agulhas Current. Elsewhere, in the eastern Pacific. South China Sea (Ref.74511).
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© FishBase

Source: FishBase

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Circumglobal in tropical trough temperate seas, including Hawaiian Islands, but not in Eastern Pacific.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© FishWise Professional

Source: FishWise Professional

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 14; Analspines: 0; Analsoft rays: 12 - 14
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© FishBase

Source: FishBase

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Size

Maximum size: 60 mm SL
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© FishWise Professional

Source: FishWise Professional

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Max. size

6.0 cm SL (male/unsexed; (Ref. 4479))
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© FishBase

Source: FishBase

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Diagnostic Description

Description

Oceanic and mesopelagic. Occurs near the surface to about 225 m at night and in deeper waters during the day. Large males partially or non-migratory (Ref. 4066). Exhibits dwarfing in minimum region off Brazil with maximum SL about 36 mm and sexual maturity from about 27 mm (Ref. 4479). Spawns mainly in summer in Hawaii (Ref. 4775).
  • Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

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.
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

nektonic
  • North-West Atlantic Ocean species (NWARMS)
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

high-oceanic; found between 175-550 m during the day and near the surface to about 225 m at night
  • North-West Atlantic Ocean species (NWARMS)
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Environment

bathypelagic; oceanodromous (Ref. 51243); marine; depth range 200 - 600 m (Ref. 58018)
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© FishBase

Source: FishBase

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Depth range based on 95 specimens in 1 taxon.
Water temperature and chemistry ranges based on 87 samples.

Environmental ranges
  Depth range (m): 37.03 - 3436.5
  Temperature range (°C): 1.433 - 25.424
  Nitrate (umol/L): 0.189 - 37.060
  Salinity (PPS): 34.321 - 37.075
  Oxygen (ml/l): 1.310 - 6.024
  Phosphate (umol/l): 0.034 - 2.605
  Silicate (umol/l): 0.829 - 130.945

Graphical representation

Depth range (m): 37.03 - 3436.5

Temperature range (°C): 1.433 - 25.424

Nitrate (umol/L): 0.189 - 37.060

Salinity (PPS): 34.321 - 37.075

Oxygen (ml/l): 1.310 - 6.024

Phosphate (umol/l): 0.034 - 2.605

Silicate (umol/l): 0.829 - 130.945
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Depth: 0 - 600m.
Recorded at 600 meters.

Habitat: bathypelagic. Oceanic and mesopelagic. Found in 175-550 m during the day and near the surface to about 225 m at night (Ref. 4066). Large males partially or non-migratory (Ref. 4066). Exhibits dwarfing in minimum region off Brazil with maximum SL about 3.6 cm and sexual maturity from about 2.7 cm (Ref. 4479). Spawns mainly in summer in Hawaii (Ref. 4775).
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© FishWise Professional

Source: FishWise Professional

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

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.
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© FishBase

Source: FishBase

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Trophic Strategy

High-oceanic (Ref. 4479). Found between 175-550 m during the day and near the surface to about 225 m at night (Ref. 4066). Large males partially or non-migratory (Ref. 4066). Exhibit dwarfing in minimum region off Brazil with a maximum length of about 3.6 cm SL and sexual maturity from about 2.7 cm SL (Ref. 4479).
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© FishBase

Partner Web Site: FishBase

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Molecular Biology and Genetics

Molecular Biology

Barcode data: Diaphus brachycephalus

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


No available public DNA sequences.

Download FASTA File
Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Statistics of barcoding coverage: Diaphus brachycephalus

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

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Conservation

Threats

Not Evaluated
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© FishBase

Source: FishBase

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!