Sargocentron rubrum

Redcoat squirrelfish | Red Squirrelfish | Redstriped Squirrelfish | Russet Squirrelfish | Scarlettailed Squirrelfish
Sargocentron rubrum
Sargocentron rubrum, Bali, Indonesia, Photo: Ian Shaw
Sargocentron rubrum
Sargocentron rubrum, Exmouth, WA, Photo: Andrew Green
Sargocentron rubrum
Sargocentron rubrum, Great Barrier Reef, Australia, Photo: Graham Edgar
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Sargocentron rubrum
Sargocentron rubrum
Sargocentron rubrum


Mediterranean, Tropical Indo-Pacific


Dark blotch at base of rear of soft dorsal fin. Similar smaller spot at base of anal fin and often dark streak on tail base. S. cornutum (Horned Squirrelfish) is very similar, but has a pronounced dark blotch (instead of streak) on tail base.


Max Size: 32 cm

Sea Temperature Range: 16.6-31.7°C

Depth: 1-84 m

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: Frequent (13.3% 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: Several (5 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