QUALITATIVE WATER-SOLUBLE VITAMIN REQUIREMENTS OF TIGER PUFFER

The qualitative requirements and deficiency signs of water-soluble vit amins were studied in tiger puffers Takifugu rubripes having mean body weight of 2.9 g. The qualitative requirements of tiger puffer for wat er-soluble vitamins indicate that the requirement of this species for vitamin B6 is lower than that of other fish species such as red sea br eam, yellowtail, and Japanese parrot fish, while that for vitamins rel ated to lipid metabolism, such as choline, nicotinic acid, pantothenic acid, biotin and inositol, is comparatively high.