Abstract: The diatom-derived polyunsaturated aldehydes (PUAs), 2-trans, 4-trans- decadienal, 2-trans, 4-trans-octadienal, 2-trans, 4-trans, 7-octatrienal, 2-trans, 4-trans- heptadienal, as well as tridecanal were tested on early and later larval development in the sea urchin Paracentrotus lividus. We also tested the effect of some of the more abundant diatom polyunsaturated fatty acids (PUFAs) on development, in particular 5, 8, 11, 14, 17- ...
