Fresh or chilled fillets of carp "cyprinus spp., carassius spp., ctenopharyngodon idellus, hypophthalmichthys spp., cirrhinus spp., mylopharyngodon piceus, catla catla, labeo spp., osteochilus hasselti, leptobarbus hoeveni, megalobrama spp.", eels "anguilla spp." and snakeheads "channa spp."