Pristiapogon kallopterus

Spinyhead cardinalfish | Iridescent Cardinalfish | Kallopterus Cardinalfish | Snyder's Cardinalfish | Spiny-head Cardinalfish | Apogon kallopterus
Pristiapogon kallopterusPristiapogon kallopterus, adult, North WA, Australia, Photo: Andrew Green
Pristiapogon kallopterusPristiapogon kallopterus, adult, NSW, Australia, Photo: Ian Shaw
Pristiapogon kallopterusPristiapogon kallopterus, adult, Naigani Is, Fiji, Photo: Andrew Green
Pristiapogon kallopterusPristiapogon kallopterus, Bali, Indonesia, Photo: Ian Shaw
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Pristiapogon kallopterus
Pristiapogon kallopterus
Pristiapogon kallopterus
Pristiapogon kallopterus


Tropical Indo-Pacific


Variable translucent pale grey to pink or brown with a single wide dark mid stripe through eye, fading along body, and dark scale margins. Large black spot on tail base above mid line and yellow spines on 1st dorsal fin.


Max Size: 11 cm

Sea Temperature Range: 22.8-30.6°C

Depth: 1-158m

Habitat Generalization Index: 5.89

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 (7.0% 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 (3 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

Further Information