Rhinobatos annulatus The lesser guitarfish or lesser sandshark (Acroteriobatus annulatus) is a species of fish in the Rhinobatidae family.

This sand shark grows up to 141 cm long.

It has a flat, triangular snout with nearly translucent areas on either side.

[2] It is found in Angola, Namibia, South Africa, and possibly Mozambique.

Its natural habitats are shallow seas and estuarine waters.