Large inquisitive dolphin with a relatively short beak, hooked dorsal fin, curved mouth permanently shaped into a grin, grey back that grades to white belly; similar to closely-related Tursiops truncatus (Bottlenose Dolphin) but can be distinguished by spotting on belly of mature individuals, proportionately longer snout, and smaller skull. Moves into estuaries more often than other dolphins, often in groups of 5–20 animals.
Max Size: 400 cm
Sea Temperature Range: 16.4-22.6°C
Habitat: Coral Reef, Open ocean, Rocky Reef
Threats: Exploitation, Habitat degradation
IUCN Threat Status: Data Deficient
Occurrence: Common (25% 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: GJ Edgar. 2008. Australian Marine Life. New Holland, Sydney