Chromodoris thompsoni

Thompsons chromodoris | Thompsons Nudibranch

Chromodoris thompsoni, Sydney, NSW, Photo: Andrew Green

Chromodoris thompsoni, Narooma, NSW, Photo: Andrew Green

Chromodoris thompsoni, Sydney, NSW, Photo: Tom Davis

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Distribution

Localised

Description

White edge to mantle and red spots on the body which are offset in blue patches. A very similar species Goniobranachus woodwardae is differentiated by having the red spots in the centre of the blue patch and a narrow yellow / orange margin to the mantle.

Information

Max Size: N/A cm

Sea Temperature Range: 13-23.7°C

Depth: N/A

Habitat Generalization Index: N/A

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.

Conservation and Rarity

IUCN Status: Not Evaluated

Occurrence: Infrequent (7.9% 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: Nicola Davis

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Further Information

Atlas of Living Australia IUCN Red List