description Pseudocentrotus depressus Overview
Pseudocentrotus depressus is a regular sea-urchin belonging to the Strongylocentrotidae family. It’s native to coastal Japan and is recognized as a significant species for edible urchin aquaculture. This extant sea-urchin provides a commercially valuable food source, primarily utilized by Japanese fisheries and aquaculture operations.
insights Ranking position
Pseudocentrotus depressus ranks #14 of 127 in the Sea Urchin ranking, behind Echinus esculentus, ahead of Sphaerechinus granularis.
help Pseudocentrotus depressus FAQ
Where does Pseudocentrotus depressus live?
The species inhabits coastal waters around Japan, particularly the warmer southern part of the country. It lives on rocky seabeds where it grazes algae and other attached material.
Is Pseudocentrotus depressus eaten as uni?
Yes, its gonads are harvested for human consumption and sold as sea-urchin roe, commonly called uni in Japanese cuisine. It is an especially important commercial urchin in southern Japan.
How can Pseudocentrotus depressus be recognized?
It is a regular sea urchin with a somewhat flattened test, a trait reflected in the species name depressus. Living individuals commonly show reddish or dark purplish tones, although color alone is not sufficient for a reliable identification.
Is Pseudocentrotus depressus farmed or only collected from the wild?
It supports wild fisheries and is also relevant to Japanese enhancement and aquaculture research. Cultivation work focuses on factors such as juvenile production, algal feed and the quality of the edible gonads.
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