Pristiapogon exostigma

Apogonidae
Oneline Cardinalfish, Eye-shadow Cardinalfish, Narrowstripe Cardinalfish, Oneline Cardinalfish
  • Pristiapogon exostigma, Adult. Photo: Rick Stuart-Smith
    Pristiapogon exostigma, Adult. Photo: Rick Stuart-Smith
  • Pristiapogon exostigma, Coral Sea, Australia, Photo: Ian Shaw
    Pristiapogon exostigma, Coral Sea, Australia, Photo: Ian Shaw
  • Pristiapogon exostigma, Adult, Great Barrier Reef, Cairns, Australia, Photo: Joe Shields
    Pristiapogon exostigma, Adult, Great Barrier Reef, Cairns, Australia, Photo: Joe Shields
Distribution
Tropical Indo-Pacific
Description
Clear to pink translucent with a single stripe that tapers from eye to mid tail base, leading edge of first dorsal fin black. Black spot slightly above centre of tail base and end of stripe. P. fraenatus differs by black spot being at the centre of tail base. Nocturnal and usually hides well back in caves and under ledges during the day. Night phase without markings also shown.
Information
  • Max Size: 12 cm
  • Depth: 3-40m
  • Habitat: Coral Reef, Rocky Reef, Soft sediment
  • Habitat Generalisation Index: 1.6
    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: 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: Several (6 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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