Quick Facts
Scientific name
Trochus niloticus
Other names
Commercial Top Shell, Trochus
Size
Up to 15 cm (5.9 in)
Weight
Under .10 kg (.22 lb)
Distribution
Habitat & AU Distribution
Shallow coastal waters amongst rocky areas and reef rich in algae in the intertidal zone
Depth Range
0 - 20 m (65 ft)
![Top Shell Distribution](https://media.marinewise.com.au/wp-content/uploads/2022/02/24115819/Australian-Fish-Distribution-213.png)