Gunnellichthys monostigma

Onespot wormfish | Black-spot Worm Goby | Worm Goby
Gunnellichthys monostigma
Gunnellichthys monostigma, QLD, Australia, Photo: Graham Edgar

Distribution

Tropical Indo-Pacific


Description

Body extremely elongate and pale blue, small black spot at rear of opercle, small blue line under eye. Occurs in colonies evenly spread over white sand; animals rapidly dive under sand if disturbed.


Information

Max Size: 16 cm

Sea Temperature Range: 27-30.5°C

Depth: 1-20m

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: Not Evaluated

Occurrence: Infrequent (2.3% 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 (11 per transect)

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


Edit by: Joe Shields