Cryptocentrus fasciatus

Y-bar Shrimpgoby | Barred Prawngoby | Black Shrimpgoby
Cryptocentrus fasciatus
Cryptocentrus fasciatus, Dampier, WA, Photo: Andrew Green
Cryptocentrus fasciatus
Cryptocentrus fasciatus, Yellow form, Sulawesi, Indonesia, Photo: Ian Shaw
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Cryptocentrus fasciatus
Cryptocentrus fasciatus


Temperate Australasia, Tropical Indo-Pacific


Generally light grey with five wide brown body bars, but yellow and near black forms also occur, bluish-white dashes on head tending to spots on body, dorsal fin without markings. Similar Cryptocentrus cinctus (Yellow Shrimpgoby) has more sharply-cornered dorsal fin with bluish streaks. Shares burrow with Alpheid shrimp.


Max Size: 14 cm

Sea Temperature Range: 20.9-30.9°C

Depth: 5-20m

Habitat Generalization Index: 1.94

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 (2.9% 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: Few (2 per transect)

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

Edit by: Joe Shields