JM and Lawrence AL. 1998. Feeding rate, absorption efficiencies, growth, and enhancement of gonad production in the New Zealand sea urchin Evechinus chloroticus Valenciennes (Echinoidea: Echinometridae) fed prepared and natural diets. Journal of Shellfish Research 17: 1583–1590. • James P. 2010. Sea urchins: opportunities and lessons. New Zealand Aquaculture 36 (July/August): 12–13. External links 'Sea Urchins', from An Encyclopaedia of New Zealand, edited by A. H. McLintock, originally published in 1966. Echinometridae Commercial echinoderms Echinoderms of New Zealand Animals described in 1846 New Zealand seafood Māori cuisine