Rhynchocinetes serratus

Serrated hinge-back shrimp
Rhynchocinetes serratus
Rhynchocinetes serratus, Batemans Bay, NSW, Photo: Andrew Green
Rhynchocinetes serratus
Rhynchocinetes serratus, Narooma, NSW, Photo: Andrew Green
Rhynchocinetes serratus
Rhynchocinetes serratus, Jervis Bay, NSW, Photo: Graham Edgar
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Rhynchocinetes serratus
Rhynchocinetes serratus
Rhynchocinetes serratus


Temperate Australasia


Complex pattern of spots and bands along the back and prominent bands on the legs. This shrimp occurs abundantly in crevices on exposed reefs in New South Wales and is commonly seen by divers at night.


Max Size: 6 cm

Sea Temperature Range: 15.5-24.6°C

Depth: 0-20m

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 (9.5% 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 (17 per transect)

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

Edit by: GJ Edgar. 2008. Australian Marine Life. New Holland, Sydney