Category: Urchin – Longspined

Longspined Sea Urchin Status

Longspined Sea Urchin Status

Status Longspined Sea UrchinCentrostephanus rodgersii Fishing mortality in the longspined sea urchin fishery is represented by the use of catch (tonnes) as a proxy. In the most recent season 2020/21 annual catch was 497...

Longspined Sea Urchin CPUE

Longspined Sea Urchin CPUE

Commercial Catch Per Unit Effort (CPUE) Statewide CPUE Explorer Data was filtered to exclude dives with the top and bottom 5% of effort (hours per dive). Annual catch rate was calculated by averaging all...

Longspined Sea Urchin Biology

Longspined Sea Urchin Biology

Biology The Longspined sea urchin is a large, fast growing Diadematidae that inhabits temperate reefs at varying depths up to 60m around southeast Australia, Norfolk and Lord Howe Islands, the Kermadec Islands and northern...

Longspined Sea Urchin Fishery Management

Longspined Sea Urchin Fishery Management

Fishery Management Commercial Fishery A commercial fishery for Longspined sea urchins began in 2009 in response to their increased biomass and densities in Tasmania. The annual catch remained below 100 tonnes for the first...

Longspined Sea Urchin Background

Longspined Sea Urchin Background

Background The longspined sea urchin (or Centro) was not traditionally found in Tasmanian waters, with the first record of its occurrence in 1978. Rather, evidence suggests that this species has recently undergone a range...

Longspined Sea Urchin

Longspined Sea Urchin

Longspined Sea Urchin luwanuma (Sea Urchin)In palawa kani, the language of Tasmanian Aborigines, with thanks to the Tasmanian Aboriginal Centre. Centrostephanus rodgersii (Longspined Sea Urchin or Centro) Longspined sea urchin barren near macroalgae covered...