OCCURRENCE AND MORPHOLOGICAL IDENTIFICATION OF ECTOPARASITIC AND EXTERNAL DISEASE-ASSOCIATED ORGANISMS OF SELECTED FRESHWATER FISHES FROM OMAMBALA RIVER, OTUOCHA, ANAMBRA STATE, NIGERIA PP: 68-73 Onoja, C.R.1 and Okonkwo, N. P1 ISIR Journal of Agriculture and Biology (ISIRJAB) 1(1) Sep – Oct … Continue reading ISIRJAB Vol. 1, Issue 1, Sep – Oct 2026