Little Known Heraldry
From Legard's Pocket Encyclopaedic Dictionary of Heraldry
Pillock – See Trout
Trout – This fish is frequently blazoned in heraldry,
though no definite drawing has been noted...
A Pillock is a Trout Vair,
being peculiar to the arms of Sir Edward Pillock Gules, Three Pillocks Palewise.