| fungal diseases of fish in nanak sagar, naini tal, india. | eight zoosporic fungi viz., achlya debaryana, a. flagellata, a. klebsiana, aphanomyces laevis, saprolegnia diclina, s. ferax, s. parasitica, and pythium sp. were isolated from a large number of adult fishes of the species mastacembelus armatus, mystus vitatus, nandus nandus, tor putitora and t. tor of nanak sagar reservoir in naini tal district, india. species of the parasites and the hosts were different in their pathogenicity and immunity, respectively. however, a. flagellata and s. parasitica ... | 1995 | 7566059 |