1. 1) T. Takeuchi, J. Dedi, C. Ebisawa, T. Watanabe, T. Seikai, K. Hosoya, and J. Nakazoe: The effect of β-carotene and vitamin A en-riched Artemia nauplii on the malformation and color abnormality of larval Japanese flounder. Fisheries Sci., 61, 141-148 (1995).
2. 2) J. Dedi, T. Takeuchi, T. Seikai, and T. Watanabe: Hypervitaminosis and safe levels of vitamin A for larval flounder Paralichthys olivaceus fed A rtemia nauplii. Aquaculture, 133, 135-146 (1995).
3. 3) E. F. Balart: Development of median and paired fin skeleton of Paralichthys olivaceus (Pleuronectiformes: Paralichthyidae). Japan. J. Ichthyology, 31, 398-410 (1985).
4. 4) J. W. Hilton: Hypervitaminosis A in rainbow trout (Salmo gairdneri): Toxicitysigns and maximum tolerable level. J. Nutr., 113, 1737-1745 (1983).
5. 5) K. J. Rothman, L. L. Moore, M. R. Singer, U. D. T. Nguyen, S.Manino, and A. Milunsky: Teratogenicity of high vitamin A intake. New Eng. J. Med., 333, 1369-1373 (1995).