Abstract
A young of Holacanthus tritnaculatus Lacépéde was kept alive for 104 days in an aquarium.The specimen was collected in Suruga Bay, Japan, on November 11, 1972.The specimen represents the first record of this species from Suruga Bay.The change in the color pattern with growth to described here first time for this species.
Some differences in characters are noted between the former description of this species by various authors (especially Fraser-Brunner, 1933) and 5 adult specimens collected in Japan.
