Lethrinus nebulosus

Lethrinidae
Spangled Emperor, Blue Emperor, Green Snapper, North-west Snapper, Sand Bream, Sand Snapper
  • Lethrinus nebulosus, WA, Australia, Photo: Jemina Stuart-Smith
    Lethrinus nebulosus, WA, Australia, Photo: Jemina Stuart-Smith
  • Lethrinus nebulosus, Juvenile, WA, Australia, Photo: Graham Edgar
    Lethrinus nebulosus, Juvenile, WA, Australia, Photo: Graham Edgar
  • Lethrinus nebulosus, WA, Australia, Photo: Rick Stuart-Smith
    Lethrinus nebulosus, WA, Australia, Photo: Rick Stuart-Smith
  • Lethrinus nebulosus, Photo: Rick Stuart-Smith
    Lethrinus nebulosus, Photo: Rick Stuart-Smith
  • Lethrinus nebulosus, Juvenile, WA, Australia, Photo: Rick Stuart-Smith
    Lethrinus nebulosus, Juvenile, WA, Australia, Photo: Rick Stuart-Smith
  • Lethrinus nebulosus, Juvenile, Dampier Archipelago, WA, Photo: Andrew Green
    Lethrinus nebulosus, Juvenile, Dampier Archipelago, WA, Photo: Andrew Green
  • Lethrinus nebulosus, Lord Howe Is, Australia, Photo: Ian Shaw
    Lethrinus nebulosus, Lord Howe Is, Australia, Photo: Ian Shaw
Distribution
Tropical Indo-Pacific
Description
Slightly concave upper head profile, blue streaks on face, rows of blue scales appearing as spots along body. Juveniles with yellow tail and yellow-stripes on belly. More common than similar L. laticaudis (Grass Emperor) and L. lentjan (Redspot Emperor), the former differing in head profile, and the latter with red blotch on the margin of the operculum.
Information
  • Max Size: 87 cm
  • Sea Temperature Range: 17.4-31.1°C
  • Depth: 10-75m
  • Habitat: Coral Reef, Mangrove, Rocky Reef, Seagrass, Soft sediment
  • Habitat Generalisation Index: 12.3
    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
  • Threats: Exploitation
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Frequent (11% 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: Several (5 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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