Paraluteres prionurus

Monacanthidae
Blacksaddle Filefish, Blacksaddled Leatherjacket, False Puffer, Mimic Filefish, Mimic Leatherjacket
  • Paraluteres prionurus, Coral Sea, Australia, Photo: Rick Stuart-Smith
    Paraluteres prionurus, Coral Sea, Australia, Photo: Rick Stuart-Smith
  • Paraluteres prionurus, Juvenile, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
    Paraluteres prionurus, Juvenile, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
  • Paraluteres prionurus, Tiny juvenile, Bali, Indonesia, Photo: Ian Shaw
    Paraluteres prionurus, Tiny juvenile, Bali, Indonesia, Photo: Ian Shaw
  • Paraluteres prionurus, Juvenile, NSW, Australia, Photo: Ian Shaw
    Paraluteres prionurus, Juvenile, NSW, Australia, Photo: Ian Shaw
  • Paraluteres prionurus, Tanimbar Islands, Indonesia, Photo: Joe Shields
    Paraluteres prionurus, Tanimbar Islands, Indonesia, Photo: Joe Shields
Distribution
Tropical Indo-Pacific
Description
Near perfect mimic of the poisonous Canthigaster valentini (saddled pufferfish). Distinguished on close inspection by dorsal and anal fins with wider base, and by 2nd vertical bar ending in a black spot. Dorsal spine, if raised, is also a giveaway.
Information
  • Max Size: 11 cm
  • Sea Temperature Range: 22.3-30.4°C
  • Depth: 1-25m
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 7.8
    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 (10% 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: Few (2 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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