Acanthemblemaria exilispinus

Bluntspine blenny
Acanthemblemaria exilispinusAcanthemblemaria exilispinus, Nicaragua, Photo: Rick Stuart-Smith
Acanthemblemaria exilispinusAcanthemblemaria exilispinus, Panama, Photo: Graham Edgar
Acanthemblemaria exilispinusAcanthemblemaria exilispinus, Panama, Photo: Graham Edgar
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Acanthemblemaria exilispinus
Acanthemblemaria exilispinus
Acanthemblemaria exilispinus


Tropical Eastern Pacific


Elongate body, mottled with dark grey, a covering of white spots, and a pair of white branching cirri between eyes. Inhabits empty mollusc and tube worm holes in rocks.


Max Size: 6 cm

Sea Temperature Range: 25.5-30.4°C

Depth: 1-5m

Habitat Generalization Index: 6.56

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: Least Concern

Occurrence: Common (29.4% 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: Few (3 per transect)

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

Edit by: Joe Shields

Further Information