This floor mosaic comes from the dining room of a Roman house. The central parts of the floor have been lost, but the edges of the room were decorated to look like the untidy remains of a banquet. We can identify leaves, fish and poultry bones, nut shells, bits of fruit, and the shells of a wide variety of shellfish. This may seem like an odd choice for home decoration, but mosaics in this style were popular in well-to-do Greek and Roman households. To contemporary guests, mosaics like this sent a number of messages about the people who dined on them.
On one level, this mosaic simply reflected the reality of the room it was in. Diners at an ancient banquet could toss their refuse on the floor with abandon because they were not the ones who had to clean it up. The widespread use of enslaved labor for domestic service meant that the rich could lob greasy chicken bones and half-eaten olives around the place without caring about the time and effort involved in cleaning up afterward. In that sense, this mosaic identified the owners of this house as the sorts of people who had other people to do the cleaning up after them.
On the other hand, the evident abandon with which the detritus is strewn around the room is deceptive. The individual pieces are precisely placed so that there the space between them is relatively even. Larger items are spread out with smaller ones between them. They are positioned in loose diagonal lines with a subtle aesthetic regularity; similar objects repeat to help unify the image, but are spaced out and given different orientations to avoid any sense of pattern. This mosaic is an extremely fine one made of very small tesserae in many different shades that must have taken a substantial amount of work by a skilled mosaic artist and a team of workers. The details of this Roman mosaic also imitate a famous Greek predecessor created by the mosaic artist Sosos of Pergamum. The effect was meant to project wealth and power: only the very rich could afford to put so much care into looking so careless.
The choice of food to show in this mosaic is also significant. Meat had a religious, even moral, significance in Greek and Roman culture. Large land animals like cattle, sheep, and pigs were typically eaten as part of a communal religious sacrifice, and religious custom dictated how they could be cooked and served as well as who should partake in the feast. Fish, shellfish, and poultry were not constrained by similar rules and could be eaten when, how, and in any company one liked. As such, this sort of food was associated with indulgence, even decadence. To say that a fellow Greek or Roman dined on fish had a sting of moral judgment akin to declaring that someone today enjoys champagne and caviar. The variety of fish bones, chicken claws, and shells in this mosaic makes a statement that this room is not one for solemn sacrificial meals but a place where the diners can indulge in their favorite delicacies free of any religious scruples or moral condemnation.
A great deal of meaning is packed into a mosaic of an untidy floor. These were messages that the original guests in this dining room would have implicitly understood in same way that we today grasp the status-signaling meaning of a four-car garage or a water view.
Image: Detail of unswept floor mosaic, photograph by Yann Forget via Wikimedia (currently Gregorian Profano Museum, Vatican; early 2nd c. CE; glass tessera mosaic; by Heraclitus, copied from work by Sosos of Pergamum)
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