Perhaps it derives from the arms of Bavaria, that look like the scales of a fish.
These emblems were derived from the arms of Middlesex County Council.
The red and white fess on the left side is derived from the arms of the Counts of the Mark.
These blue martinets are derived from the arms of the College.
These were derived from the arms of the Marquess of Bute.
The banner derived from the arms continues to be used to represent Northern Ireland at some sports events.
It depicts a wall anchor and is derived from the arms of the Eschenbach family, founders of the local church.
The grant included the full coat of arms as well as a flag and a badge, both derived from the arms.
The dexter side is derived from the arms of the City of Manila.
The checked fess below is derived from the arms of the Counts of the Mark.