The term 'Giant Herring-like Fish' can be summarized as the Tarpon, a 6 letter fish. Tarpon are large, silver-scaled fish that inhabit coastal and inland waters in tropical and subtropical regions. They are known for their size, with some specimens reaching up to 8 feet in length and weighing up to 280 pounds. Tarpon are popular game fish, sought after by anglers for their fighting ability and acrobatic jumps. They are also an important food source for many cultures, particularly in the Caribbean and Gulf of Mexico.