Every caviar and roe in the Caviar Star collection: where it swims, what it is, how big the pearl is, and which one belongs on your table.
Each pearl is one product, drawn at nine times life size in the colour sampled from the shop's own photograph, and placed by price per gram against grain size. Where the shop gives no size, the pearl uses the species' published egg size. The red roes are the biggest pearls and the cheapest; sturgeon are smaller and dearer, because a sturgeon takes years to make her first eggs.
Sturgeon are older than the dinosaurs, and slow. A female can take a decade or more before she carries her first eggs, which is most of what you pay for. Here is every fish (and one snail) behind the collection.
Answer what you know. The match updates as you go, and the jar on the right is the real thing, in 3D. Drag it to turn it.