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 Sixgill sawshark (Pliotrema warreni)

  Index
> Photo
> Range Map
> Systematics
> Name
> Appearance
> Coloration
> Distribution
> Biology
> Feeding
> Size
> Reproduction
> Similar Species
> Endangerment
> Danger to Humans

 Photo

Sixgill sawshark
No image of Sixgill sawshark found in the Shark Database
 Range Map

Earth Map


 Systematics

Phylum: Vertebates (Chordata)

Class: Carlilagenous Fishes (Chondrichthyes)
  Order: Sawsharks (Pristiophoriformes)
    Family: Sawsharks (Pristiophoridae)
      Genus: Pliotrema (Pliotrema)


 Name

Scientific: Pliotrema warreni
German: Sechskiemen-Sägehai
English: Sixgill sawshark
French: Requin scie flutian
Spanish: Tiburón sierra del Cabo


 Appearance

Sawlike snout with barbels and large rostral teeth. Six pairs of gill slits. No anal fin.

 Coloration

Brown, with light or white ventral surface.

 Distribution

Western Indian Ocean: Mozambique to South Africa.

 Biology

A common species of benthic and epibenthic waters found over the continental shelves and upper slopes down to depths of approximately 450 m. Adult animals seem to segregate from younger ones by moving into deeper waters.

 Feeding

Small fishes, crustacean and squid.

 Size

Average size about 100 cm to 120 cm, maximum total length at least 135 cm.

 Reproduction

Aplacental viviparous (ovoviviparous). 5 to 7 pups per litter. Size at birth 35 cm. Males reach sexual maturity at about 35 cm, females at 110 cm.

 Similar Species

All other sawsharks (4 species) possess 5 pairs of gill slits.

 Endangerment

Status in the IUCN Red List(Version 2001):

Main criterion: > NT (Near Threatened)
Sub criterion:
Trend: Unknown


 Danger to Humans

Harmless.



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