Pseudochromis bitaeniatus

Pseudochromidae
Slender Dottyback, Double-striped Dottyback, Two-lined Dottyback
  • Pseudochromis bitaeniatus, Scott Reef, Western Australia, Photo: Rick Stuart-Smith
    Pseudochromis bitaeniatus, Scott Reef, Western Australia, Photo: Rick Stuart-Smith
  • Pseudochromis bitaeniatus, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
    Pseudochromis bitaeniatus, Raja Ampat, Indonesia, Photo: Rick Stuart-Smith
  • Pseudochromis bitaeniatus, Scott Reef, Western Australia, Photo: Rick Stuart-Smith
    Pseudochromis bitaeniatus, Scott Reef, Western Australia, Photo: Rick Stuart-Smith
Distribution
Tropical Indo-Pacific
Description
Dark upper and lower body with mid white stripe from operculum to end of tail. Shy, often upside down under ledges.
Information
  • Max Size: 12 cm
  • Sea Temperature Range: 26.6-31.3°C
  • Depth: 2-38m
  • Habitat: Coral Reef
  • Habitat Generalisation Index: 1.8
    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
  • Threats: Climate change/warming, Habitat degradation
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Frequent (11% 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: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland
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