Fisheries Infosite

Knobbed whelk Extra Territorial (200 mile limit) (KWHET)
Maori name
Scientific name
Austrofusus glans

Physical characteristics

Knobbed Whelk can grow to a maximum length of 5 cm.

Life cycle

No information is available about the biology of Knobbed Whelk.


Knobbed Whelk are found throughout New Zealand on mud, sand and silt substrates from low tide to depths of 600 m. They are carnivorous scavengers.

Key statistics
Reported commercial catch1 (tonnes)
Quota value estimate2 (NZ$m)
Exports estimate2 (NZ$m)
1 Reported commercial catch is calculated for the 12 month period to 30/09/2025
2 Quota value and exports are calculated pro-rata to reported commercial catch for the 12 month period to 30/09/2025