However, the specific name for fish eggs can vary depending on the species and how they are used:
* Roe is a general term for the eggs of fish, especially when harvested for food.
* Caviar is the term for the eggs of sturgeon, especially the species *Acipenser huso*, and is considered a delicacy.
* Salmon roe is known as red caviar or ikura in Japanese.
* Cod roe is called masago in Japanese.
* Flying fish roe is called tobiko in Japanese.
* Herring roe is called shiokara in Japanese.
So, while "roe" is the most common and general term, there are many specific names for fish eggs depending on the species and context.