Labracoglossa nitida

Kyphosidae
Blue Knifefish
  • Labracoglossa nitida, Lord Howe Island, NSW, Australia, Photo: Rick Stuart-Smith
    Labracoglossa nitida, Lord Howe Island, NSW, Australia, Photo: Rick Stuart-Smith
  • Labracoglossa nitida, Lord Howe Is, NSW, Photo: Andrew Green
    Labracoglossa nitida, Lord Howe Is, NSW, Photo: Andrew Green
Distribution
Localised
Description
Yellow/blue colouration and elongate body profile similar to fusiliers, black spot at pectoral fin base, narrow blue stripe along base of dorsal fin above yellow patch on back, blue lateral line, and a yellow tailfin.
Information
  • Max Size: 20 cm
  • Sea Temperature Range: 17.1-25.1°C
  • Depth: 0-20m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 6
    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: Common (24% 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: Large aggregations (108 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland
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