Lethrinus erythracanthus

Lethrinidae
Orangespotted Emperor, Orange-finned Emperor, Orangefin Emperor, Yellow-spotted Emperor
  • Lethrinus erythracanthus, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
    Lethrinus erythracanthus, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
  • Lethrinus erythracanthus, Juvenile.
    Lethrinus erythracanthus, Juvenile.
  • Lethrinus erythracanthus, Maldives, Photo: Rick Stuart-Smith
    Lethrinus erythracanthus, Maldives, Photo: Rick Stuart-Smith
Distribution
Tropical Indo-Pacific
Description
Large head with rounded upper profile, dark body with variable diffuse pale areas, sometimes with spots arranged in rows, contrasts with blue-grey head, and yellow or red rear fins. Juveniles with brown body broken by thin white stripes along side, pointed snout.
Information
  • Max Size: 70 cm
  • Sea Temperature Range: 24.2-31.6°C
  • Depth: 15-120m
  • Habitat: Coral Reef, Soft sediment
  • Habitat Generalisation Index: 3.9
    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: Infrequent (3% 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: Solitary (1 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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