Ostorhinchus ocellicaudus

Ostorhinchus ocellicaudus
Ostorhinchus ocellicaudus, Raja Ampat, Indonesia, Photo: Andrew Green
Ostorhinchus ocellicaudus
Ostorhinchus ocellicaudus, With Rhabdamia gracilis. Raja Ampat, Indonesia, Photo: Andrew Green
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Ostorhinchus ocellicaudus
Ostorhinchus ocellicaudus



Smaller cardinal to 6.5cm. Semi-transparent pinkish with short dark stripe on snout and large white-edged black spot on middle of caudal fin base. Similar to O franssedai, but lacks the longer dark body/head stripes. May school with other species such as Rhabdamia gracilis.


Max Size: N/A cm

Sea Temperature Range: N/A

Depth: 15-30m

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: Vulnerable

Occurrence: Widespread (100% 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 (40 per transect)

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

Edit by: Andrew Green