Tetractenos glaber

Tetraodontidae
Smooth Toadfish
  • Tetractenos glaber, Port Phillip Bay, VIC, Photo: Rick Stuart-Smith
    Tetractenos glaber, Port Phillip Bay, VIC, Photo: Rick Stuart-Smith
  • Tetractenos glaber, Adult, Moruya, NSW, Photo: Andrew Green
    Tetractenos glaber, Adult, Moruya, NSW, Photo: Andrew Green
  • Tetractenos glaber, Adult, Bermagui, NSW, Photo: Andrew Green
    Tetractenos glaber, Adult, Bermagui, NSW, Photo: Andrew Green
  • Tetractenos glaber, Photo: Rick Stuart-Smith
    Tetractenos glaber, Photo: Rick Stuart-Smith
Distribution
Temperate Australasia
Description
Red tail and pattern of large black spots with well-defined margins on the upper body. A NSW species, Tetractenos hamiltoni, has a similar pattern but can be recognised by a covering of small spines over the body surface.
Information
  • Max Size: 15 cm
  • Sea Temperature Range: 11.3-23.8°C
  • Depth: 0-10 m
  • Habitat: Soft sediment
  • Habitat Generalisation Index: 0.3
    Also referred to as the SGI (Species generalisation index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here
Rarity
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Frequent (15% of sites)
    Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
  • Abundance: Few (2 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: GJ Edgar. 2008. Australian Marine Life. New Holland, Sydney
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