Priacanthus blochii

Priacanthidae
Glasseye, Bloch's Bigeye, Paeony Bullseye, Shortfin Bigeye, Silver Big-eye
  • Priacanthus blochii, Dampier, Western Australia, Photo: Graham Edgar
    Priacanthus blochii, Dampier, Western Australia, Photo: Graham Edgar
  • Priacanthus blochii, Raja Ampat, Indonesia, Photo: Graham Edgar
    Priacanthus blochii, Raja Ampat, Indonesia, Photo: Graham Edgar
Distribution
Tropical Indo-Pacific
Description
Variable colouration from plain red-brown to silvery, with the ability to rapidly fade or darken in to diffuse blotchy bars on body, though always with a red patch below eye. Rear fins lacking spots, tailfin margin slightly rounded or straight. Indistinct black spot at base of pelvic fin (not visible in photo), like in P. hamrur (Lunartail Bigeye), but has flatter tail margin. Similar P. macracanthus has numerous red spots on pelvic fin instead of single black spot near base. 
Information
  • Max Size: 35 cm
  • Sea Temperature Range: 23.1-32.5°C
  • Depth: 15-30m
  • Habitat: Coral Reef
Rarity
  • Threats: Climate change/warming, Exploitation, Habitat degradation
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Infrequent (1% 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: Many (13 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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