Hypselodoris obscura

Chromodorididae
Nudibranch, Obscure Hypselodoris nudibranch
  • Hypselodoris obscura, Port Stephens, NSW, Photo: Nicola Davis
    Hypselodoris obscura, Port Stephens, NSW, Photo: Nicola Davis
  • Hypselodoris obscura, Port Stephens, NSW, Photo: Tom Davis
    Hypselodoris obscura, Port Stephens, NSW, Photo: Tom Davis
  • Hypselodoris obscura, Narooma, NSW, Photo: Andrew Green
    Hypselodoris obscura, Narooma, NSW, Photo: Andrew Green
Distribution
Localised
Description
Variable body colour from a grey to dark blue covered in yellow & navy spots. Dark red gills and rhinophores with a blue colouration at the base of the rhinophores. Localised to south eastern Australia. 2 very similar species - one endemic to southern Western Australia and South Australia is Hypselodoris saintvincentia and Hypselodoris infucata widespread throughout tropical Indo-Pacific areas.
Information
  • Max Size: 6 cm
  • Sea Temperature Range: 15.3-27.6°C
  • Habitat: Rocky Reef, Soft sediment
Rarity
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Infrequent (6% 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: Nicola Davis
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