"Roe (/roʊ/) or hard roe is the fully ripe internal egg masses in the ovaries, or the released external egg masses of fish and certain marine ...
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animals, such as shrimp, scallop, sea urchins, and squid. As a seafood, roe is used both as a cooked ingredient in many dishes and as a raw ingredient.
The roe of marine animals, such as the roe of lumpsucker, hake, mullet, salmon, Atlantic bonito, mackerel, squid, and cuttlefish are especially rich sources of omega-3 fatty acids, but omega-3s are present in all fish roe. Also, a significant amount of vitamin B12 is among the nutrients present in fish roes." - (en.wikipedia.org 23.01.2022)