Roboastra luteolineata
Bordered roboastra | nudibranch
Roboastra luteolineata, Poor Knights Is, New Zealand, Photo: Andrew Green
Roboastra luteolineata, Lord Howe Island, NSW, Photo: Tom Davis
Roboastra luteolineata, Lord Howe Island, NSW, Photo: Nicola Davis
Roboastra luteolineata, Lord Howe Island, NSW, Photo: Rick Stuart-Smith
Roboastra luteolineata, Poor Knights Is, New Zealand, Photo: Andrew Green
Same Genus
Distribution
Temperate Australasia
Description
Black body with yellow / orange longitudinal lines down the body. Distinctive green patches between rhinophores.
Information
Max Size: 9 cm
Sea Temperature Range: 19.1-24.9°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 (7.1% 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: Solitary (1 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Nicola Davis