Cheilodipterus isostigmus

Toothy Cardinalfish | Dog-tooth Cardinalfish
Cheilodipterus isostigmus
Cheilodipterus isostigmus, adult, Naigani Is, Fiji, Photo: Andrew Green
Cheilodipterus isostigmus
Cheilodipterus isostigmus, adult, Bali, Indonesia, Photo: Ian Shaw
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Cheilodipterus isostigmus
Cheilodipterus isostigmus


Tropical Indo-Pacific


(Accepted name: Cheilodipterus isostigma) Pearly body with five black stripes. Yellow tail base with black spot slightly above line of mid-stripe. Very similar C. quinquelineatus (Five-line Cardinalfish) has similar spot in-line with mid-stripe and slightly deeper body profile.


Max Size: 11 cm

Sea Temperature Range: 24.1-29.9°C

Depth: 4-40m

Habitat Generalization Index: 0.78

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 (8.3% 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 (15 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