Cod's roe refers to either the ripe egg mass in the ovaries of the fish or the fish eggs themselves. Will all these amazing health benefits, I’ll bet you want to rush out to the store to buy some fish eggs now. Fish eggs or fish Roe considered a delicacy by some, is also rich in protein and relatively low in calories. Shad roe is the egg sac of the female shad fish. The egg sacs are bright red in color, and more closely resemble liver, or a pair of lungs, than fish. So, "roe" meaning "fish eggs" is one word, and "roe" meaning roe deer is another, unrelated word. Each female produces a lobe-shaped pair of egg sacs. This was like gold for them. Additionally, in Japan, where fish roe is a favorite food item, fish roe allergy is more common. Weston Price discovered that in the Andes, people would walks 100s of miles to get fish eggs. Fish roe, caviar, is a very perishable product and without preservation if kept under refrigeration can last for about two weeks after being harvested. Interestingly, research suggests that fish roe has been the cause of severe allergic reactions in people without pre-existing fish allergies ( 23 ). Fish roe allergy is a rare but potential issue. Photo: Shutterstock. They can be eaten raw or cooked. Due to the perishable nature of caviar it has to be preserved to make it to the end consumer in a healthy and edible form. Both are of Germanic origin, but they have different roots. Fish roe are the fully ripened eggs of many types of fish, including sturgeon, salmon, and herring. Healthy snack: Fish roe served on eggs. It is considered a delicacy in some parts of Europe. Male fish roe, which is the sperm, is sometimes used as well, and is called soft roe or milt. The adult female cod lays an average of four to six million tiny eggs with each spawning. Once the roe is cooked, the color turns to a grayish-brown. Roe is used in may ways without separating out the individual eggs. This type of roe is called hard roe and it is the most preferred type of roe. While cod roe spreads are also popular in Norway, the true delicacy is a nose-to-tail dish from a Norwegian-Arctic cod called mølje.Traditionally a fisherman’s meal, it’s made by boiling the cod roe, liver, and meat with potatoes in a single saucepan with water and nothing else. Other healthy tribes would save the salmon roe for nursing mothers and newborn children. Although shad roe is fish eggs, the taste does not at all replicate caviar. For the name of the deer, the terms "roe" and "roe deer" have coexisted since the Old English period.