Date of Issue : 31 Jul 1999
Postmark : Kajang
Denomination : 2 x 10 sen, 2 x 15 sen, 2 x 25 sen and 4 x 50 sen
Stamp Size : 32 mm x 54 mm (se-tenant)
Paper : SPM Watermarked, Phosphor Coated
Printing Process : Lithography
Top row of the stamps illustrates various aquatic plants found in freshwater while the bottom row illustrates various freshwater fish species. The aquatic plants featured are the Leaf Pondweed (10 sen), Velvetleaf (15 sen), Hairy Water Lily (25 sen), Water Hyacinth (50 sen) and the Water Spinach (50 sen). Meanwhile, the freshwater fish featured are the Croaking Gourami (10 sen), Crescent Betta (15 sen), Blue Gourami (25 sen), Chocolate Gourami (50 sen) and the Kissing Gourami (50 sen).