The fish farmed for authentic caviar is Sturgeon. There are also other fish who are farmed for its roe. One example is Salmon.
caviar is made with the roe or eggs of the paddlefish or the sturgeon.
Fish eggs
lumpfish ---- Caviar is the roe of the Sturgeon. Mock caviar is made from the roe of the lumpfish (and from the roe of several other species). Red caviar comes from the Salmon, If you are looking for the answer to the Telegraph GK then it is "sterlet"
Roe, also known as fish eggs, does come from the internal organs. To be more specific roe comes from the internal ovaries. The most common form of fish eggs, or roe is caviar. Caviar is a roe of large fish often salted, then eaten. People call caviar "fish eggs" now a days.
Fish eggs are called "roe" (the word is both singular and plural). As a food, the roe of certain fish (most famously, the sturgeon) is also called "caviar."
Red caviar comes from the roe of salmon and is also known as salmon caviar
hard roe + human = hard roe
Caviar is made from fish eggs, usually. In places like France, England or Australia it's made from frog eggs too, but it's really up to where you get it from. The price is different too, Fish Eggs = $19.50 (fish type: common - Lucassa Muntog) Frog Eggs = $22.00 (frog type: rare - Nocci Underwater)
hard roe + human = hard roe
Roe refers to the eggs that fish hasn't yet laid when it was caught. Sometimes it's also called caviar.
Caviar is roe from sturgeon and the most prized is the beluga sturgeon's.
caviar is fish eggs- generally beluga fish or salmon. It is also known as roe