Roe, but Unusual

Roe or hard roe is the fully ripe internal ovaries or egg masses of fish and certain marine animals, such as shrimp, scallop and sea urchins. As a seafood, roe is used both as a cooked ingredient in many dishes and as a raw ingredient.
Caviar is a name for processed, salted roe consumed as a delicacy.
The term soft roe or white roe denotes fish milt.

If you think this is very expensive caviar, you are mistaken.
This caviar is expensive, but it is not sturgeon.
Price 50-gram jar - 159 dollars.
This ... Well? Guess whose is caviar?
Well, the answer is more under the picture.