Urogymnus asperrimus, Rowley Shoals, Western Australia, Photo: Graham Edgar
Rounded, with numerous spines set in concentric circles around disc and extending along tail, which is of similar length to disc. Lacks venomous barbs.
Max Size: 160 cm
Sea Temperature Range: 24.5-30.7°C
Depth: 15 - 217 m
Habitat: Coral Reef, Rocky Reef, Soft sediment
Threats: By-catch, Habitat degradation
IUCN Threat Status: Not Evaluated
Occurrence: Infrequent (2% 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: Solitary (1 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: extract from RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland