GROWTH AND DEVELOPMENT OF THE LABORATORY CULTURED SEA URCHIN

1969/12/01 by RALPH T. HINEGARDNER, Ralph T. Hinegardner · 4 citations
Environmental Science · Earth and Planetary Sciences · #Marine and Coastal Ecosystems #Ocean Acidification Effects and Responses #Coastal and Marine Management

paper · doi:10.2307/1540168

Abstract

A method is described for raising sea urchins from egg to egg in the laboratory. The larvae are raised on flagellated marine algae and the young urchins on a substrate-dwelling diatom. The major features in the developmental process are: growth of the larva, development of the urchin inside the larva, metamorphosis and growth of the young urchin to sexual maturity. The entire life cycle takes about six months.

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• Cryopreservation of sea urchin (Lytechinus pictus) embryos and development through metamorphosis
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