Gymnothorax javanicus

Muraenidae
Giant Moray, Black Pearl Moray, Java Moray, Tropical Moray
  • Gymnothorax javanicus, Naigani Is, Fiji, Photo: Andrew Green
    Gymnothorax javanicus, Naigani Is, Fiji, Photo: Andrew Green
  • Gymnothorax javanicus, Juvenile, Great Barrier Reef, Townsville, Australia,
    Gymnothorax javanicus, Juvenile, Great Barrier Reef, Townsville, Australia,
  • Gymnothorax javanicus, Wreck Reef, Queensland, Australia,
    Gymnothorax javanicus, Wreck Reef, Queensland, Australia,
  • Gymnothorax javanicus, Photo: Rick Stuart-Smith
    Gymnothorax javanicus, Photo: Rick Stuart-Smith
  • Gymnothorax javanicus, Great Barrier Reef, Australia, Photo: Graham Edgar
    Gymnothorax javanicus, Great Barrier Reef, Australia, Photo: Graham Edgar
Distribution
Tropical Indo-Pacific
Description
Black around gill opening. Brown body with fine darker speckles and greenish tinge to back. Has darker eye than G. flavimarginatus (yellowmargin moray).
Information
  • Max Size: 300 cm
  • Sea Temperature Range: 22.4-31.8°C
  • Depth: 0-50m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 12.6
    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: Frequent (14% 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: extract from RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland
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