Mccoskerichthys sandae

Tufted blenny
Mccoskerichthys sandae
Mccoskerichthys sandae, Panama, Photo: Graham Edgar


Tropical Eastern Pacific


Dusky green body with large dark eyes, white lips and a tuft of red based cirri on forehead, in between eyes. Inhabit mollusc and worm tubes in vertical walls and massive corals.


Max Size: 8 cm

Sea Temperature Range: 25.9-30.4°C

Depth: 1-30m

Habitat Generalization Index: 2.24

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: Near Threatened

Occurrence: Common (32.9% 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 (12 per transect)

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

Edit by: Joe Shields