
HOLE IN THE HEAD DISEASECAUSE AND SYMPTOMSThe cause of this condition is Hexamita Protozoa , parasitic organisms that are highly contagious.
These parasites thrive with poor water quality management.
If your fish has this condition, you will notice the appearance of small pits and pimples mainly on the fish’s head. These pits will simply grow and form bigger pits.
The pits are white in color, and sometimes mucous are visible around them.
In addition...