The store will not work correctly in the case when cookies are disabled.
We are open 7 days a week, 9am to 5pm Monday to Friday & 10am until 3pm weekends (Winter Hours and Bank Holidays vary)
Gill Maggots
Gill maggots are the mature females of the parasitic crustacean Ergasilus.
Ergasilus (gill maggots) will appear as grayish black and white parasites several millimeters long infesting the gills.
Heavy infestations can cause severe damage, eroding the gill filaments and allowing secondary infections to develop.

Treatments for gill maggots