The New Zealand sand diver (Tewara cranwellae) is a species of sandburrower endemic to the waters around New Zealand where it can be found in tide pools and areas with sandy substrates down to a depth of .
The New Zealand sand diver (Tewara cranwellae) inhabits the coastal waters off New Zealand, specifically in tidal pools and shallow areas with sandy bottoms, extending down to depths around 33 feet.