Trachurus novaezelandiae

Yellow-tail scad
Trachurus novaezelandiae
Trachurus novaezelandiae, Busselton, Western Australia, Photo: Graham Edgar
Trachurus novaezelandiae
Trachurus novaezelandiae, NSW, Australia, Photo: Ian Shaw
Trachurus novaezelandiae
Trachurus novaezelandiae, Jervis Bay, NSW, Photo: Andrew Green
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Trachurus novaezelandiae
Trachurus novaezelandiae
Trachurus novaezelandiae

Distribution

Temperate Australasia, Tropical Indo-Pacific


Description

Reflective silver, elongate body with prominent scutes along the lateral line, bright yellow tail and a diffuse black spot on rear edge of operculum. Largest fish live in deeper water.


Information

Max Size: 50 cm

Sea Temperature Range: 14.1-23.9°C

Depth: 0-500m

Habitat Generalization Index: 25.95

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 (21.5% 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: Large aggregations (292 per transect)

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


Edit by: GJ Edgar. 2008. Australian Marine Life. New Holland, Sydney