Aplodactylus etheridgii

Notch-head marblefish
Aplodactylus etheridgii
Aplodactylus etheridgii, Lord Howe Island, NSW, Australia, Photo: Andrew Green
Aplodactylus etheridgii
Aplodactylus etheridgii, Kermadec Islands, New Zealand, Photo: Graham Edgar
Aplodactylus etheridgii
Aplodactylus etheridgii, Lord Howe Island, NSW, Australia, Photo: Rick Stuart-Smith
Aplodactylus etheridgii
Aplodactylus etheridgii, Lord Howe Is, NSW, Australia, Photo: Andrew Green
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Aplodactylus etheridgii
Aplodactylus etheridgii
Aplodactylus etheridgii
Aplodactylus etheridgii

Distribution

Temperate Australasia


Description

Blunt head, brown body covered in fine white spots with distinct white patches down side and an orange rear margin on operculum. Endemic to Tasman Sea islands. Length to 45 cm.


Information

Max Size: 45 cm

Sea Temperature Range: 17.3-24.9°C

Depth: 6-20m

Habitat Generalization Index: 12.07

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: Common (28.1% 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: Few (2 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.


Edit by: Joe Shields