Ostorhinchus norfolcensis

Norfolk cardinalfish | Apogon norfolcensis
Ostorhinchus norfolcensis
Ostorhinchus norfolcensis, adult, Photo: Rick Stuart-Smith
Ostorhinchus norfolcensis
Ostorhinchus norfolcensis, juvenile, Lord Howe Is, NSW, Photo: Andrew Green
Ostorhinchus norfolcensis
Ostorhinchus norfolcensis, Lord Howe Is, NSW, Photo: Andrew Green
Ostorhinchus norfolcensis
Ostorhinchus norfolcensis, adult, Lord Howe Is, NSW, Photo: Ian Shaw
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Ostorhinchus norfolcensis
Ostorhinchus norfolcensis
Ostorhinchus norfolcensis
Ostorhinchus norfolcensis

Distribution

Localised, Temperate Australasia, Tropical Indo-Pacific


Description

(Accepted name: Ostorhinchus norfolcensis) Uneven brown base colour with a prominent black spot on tail base and distinctive body shape. Juveniles translucent to pinkish, still with distinct spot on tail base; identification best confirmed with presence of adults and by location.


Information

Max Size: N/A cm

Sea Temperature Range: N/A

Depth: 1-10m

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: Widespread (65.4% 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: Many (38 per transect)

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


Edit by: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland