Girella tricuspidata

Kyphosidae
Luderick
  • Girella tricuspidata, Port Stephens, NSW, Photo: Rick Stuart-Smith
    Girella tricuspidata, Port Stephens, NSW, Photo: Rick Stuart-Smith
  • Girella tricuspidata, Moruya, NSW, Photo: Andrew Green
    Girella tricuspidata, Moruya, NSW, Photo: Andrew Green
  • Girella tricuspidata, Juvenile, Jervis Bay, NSW, Photo: Andrew Green
    Girella tricuspidata, Juvenile, Jervis Bay, NSW, Photo: Andrew Green
  • Girella tricuspidata, Coffs Harbour, NSW, Photo: Ian Shaw
    Girella tricuspidata, Coffs Harbour, NSW, Photo: Ian Shaw
Distribution
Temperate Australasia
Description
Grey body with about 10 thin dark lines down the sides. Adults occur abundantly in estuaries and on shallow coastal reefs, while juveniles are normally associated with estuarine seagrasses during the first year before moving into deeper channels nearby.
Information
  • Max Size: 71 cm
  • Sea Temperature Range: 14.7-24.6°C
  • Depth: 0-20 m
  • Habitat: Rocky Reef, Seagrass
  • Habitat Generalisation Index: 19.3
    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 (17% 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: Many (16 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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