The Roe reference article from the English Wikipedia on 24-Apr-2004
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Roe

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Roe is the fully ripe egg masses of fish and certain marine invertebrates, such as sea urchins.

As a seafood it is used both as a cooked ingredient in many dishes and as a raw ingredient.

A variety of roe types is used in Japanese cuisine, including the following which are used raw in sushi:

Lumpfish (stenbider) roe is used extensively in Danish cuisine, on top of halved or slicd hard-boiled eggs, on top of mounds of shrimp, or in combination with other fish or seafood. Another commonly eaten roe is that from the cod (torsk).

Taramosalata is a well-known Greek dish consisting of roe pureed with some boiled potatoes.

Caviar is the name for sturgeon roe consumed as a delicacy.