Fish diseases

By Peter Petersen

Fish louse (Argulus sp.) taken from the freshwater fish: Trahira (Hoplias malabaricus).

Here the Fish louse (Argulus sp.) still on the Trahira (Hoplias malabaricus).

This is the Ich or white spot disease (Ichthyophthirius multifiliis) seen under a microscope. This was scrabed of a Madagascar cichlid (Ptychochromis grandidieri)