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Overview

Comprehensive Description

Biology

Found on outermost continental shelves and upper slopes (Ref. 247). Feeds on bony fish, squid, shrimp and crabs (Ref. 5578). Ovoviviparous (Ref. 205), with 10-13 in a litter, size at birth about 18 cm (Ref. 6871). Minimum depth reported taken from Ref. 247.
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Distribution

Southeast Pacific and Southwest Atlantic: southern Chile, southern Argentina, and the Falkland Islands Reported from off the western Cape coast but the identity of South African specimens is questionable (the correct species may be Etmopterus baxteri Garrick, 1957). Presence in the Western Pacific uncertain (Ref. 31367). Eastern hemisphere records doubtful (Compagno 1999, pers.comm.).
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Southeastern Pacific and southwestern Atlantic; Indian Ocean doubtful.
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Physical Description

Morphology

Dorsal spines (total): 2; Dorsal soft rays (total): 0; Analspines: 0; Analsoft rays: 0
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Size

Maximum size: 600 mm TL
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Max. size

60.0 cm TL (male/unsexed; (Ref. 5578))
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Diagnostic Description

A large, heavy-bodied lanternshark with a big head (Ref. 5578), bladelike unicuspidate teeth in lower jaw and teeth with cusps and cusplets in upper jaw, stocky body, conspicuous lines of denticles on body, conspicuous black markings on underside of body and tail, with tail marking short and not extending far posteriorly (Ref. 247). Dark brown or black in color, possibly darker below (Ref. 26346).
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Ecology

Habitat

Depth range based on 222 specimens in 1 taxon.
Water temperature and chemistry ranges based on 143 samples.

Environmental ranges
  Depth range (m): 291 - 1371.6
  Temperature range (°C): 2.024 - 12.576
  Nitrate (umol/L): 10.477 - 34.970
  Salinity (PPS): 34.344 - 35.195
  Oxygen (ml/l): 1.882 - 4.943
  Phosphate (umol/l): 0.965 - 2.510
  Silicate (umol/l): 8.423 - 68.501

Graphical representation

Depth range (m): 291 - 1371.6

Temperature range (°C): 2.024 - 12.576

Nitrate (umol/L): 10.477 - 34.970

Salinity (PPS): 34.344 - 35.195

Oxygen (ml/l): 1.882 - 4.943

Phosphate (umol/l): 0.965 - 2.510

Silicate (umol/l): 8.423 - 68.501
 
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Known from seamounts and knolls
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Environment

bathydemersal; marine; depth range 220 - 1620 m (Ref. 44037)
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Depth range based on 222 specimens in 1 taxon.
Water temperature and chemistry ranges based on 143 samples.

Environmental ranges
  Depth range (m): 291 - 1371.6
  Temperature range (°C): 2.024 - 12.576
  Nitrate (umol/L): 10.477 - 34.970
  Salinity (PPS): 34.344 - 35.195
  Oxygen (ml/l): 1.882 - 4.943
  Phosphate (umol/l): 0.965 - 2.510
  Silicate (umol/l): 8.423 - 68.501

Graphical representation

Depth range (m): 291 - 1371.6

Temperature range (°C): 2.024 - 12.576

Nitrate (umol/L): 10.477 - 34.970

Salinity (PPS): 34.344 - 35.195

Oxygen (ml/l): 1.882 - 4.943

Phosphate (umol/l): 0.965 - 2.510

Silicate (umol/l): 8.423 - 68.501
 
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Depth: 220 - 923m.
From 220 to 923 meters.

Habitat: bathydemersal.
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Trophic Strategy

Found on the continental slope (Ref. 75154).
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Life History and Behavior

Life Cycle

Ovoviviparous, with 10-13 in a litter (Ref. 6871). Size at birth about 18 cm (Ref. 6871). Distinct pairing with embrace (Ref. 205).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Etmopterus granulosus

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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Statistics of barcoding coverage: Etmopterus granulosus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 40
Specimens with Barcodes: 45
Species With Barcodes: 1
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Barcode data: Etmopterus cf. granulosus

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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Statistics of barcoding coverage: Etmopterus cf. granulosus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 6
Specimens with Barcodes: 6
Species With Barcodes: 1
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Conservation

Threats

Least Concern (LC)
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: of no interest
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Wikipedia

Southern lanternshark

The southern lanternshark, Etmopterus granulosus, is a shark of the family Etmopteridae found in the southeast Pacific between latitudes 29°S and 59°S, at depths of between 220 and 1,460 m. Its length is up to 60 cm.

Reproduction is ovoviviparous, with 10 to 13 pups in a litter, length at birth about 18 cm.

References

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