It is an important spawning ground for the fish "Esox lucius". Teeth of the freshwater fish "Esox lucius" (northern pike) have been found at Bramerton. The northern pike (Esox lucius) is also a catch species. Metacercaria of "M. conjunctus" were also found in northern pike ("Esox lucius"). The northern pike ("Esox lucius") is Northern Ireland's national fish.