Here are the links that Fibula Mattock provided above, but with the site names added:

Lough Neagh and Lower Bann Wetlands Website

Inland Waterways Association of Ireland Homepage

IWAI-Northern Ireland Branch-Lough Neagh

IWAI-Northern Ireland Branch- Eel Fishing - The Lough Neagh Eel Fishery by Rev. Oliver P. Kennedy

And thanks for the clarification, Brian -- and say hello to your cousin for me, OK?

All the best, Áine