When we talk about caviar substitutes, we’re almost always referring to salted non-sturgeon fish roe. Out of the 30,000 fish species on Earth, only 27 of them produce true caviar—meaning t
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Steelhead and rainbow trout are two names for the same species: Oncorhynchus mykiss. However, their lifestyles set them apart. While rainbow trout remain in freshwater their entire lives, steelhe
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What are cured tuna hearts?Bluefin tuna have been migrating to the Mediterranean Sea for thousands of years. Even before they were threatened by the modern commercial fishing industry, bluefins were c
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Definition of black caviar: Fish roe that comes solely from fish of the Acipenseridae family, also known as sturgeon.
Definition of red caviar: Fish roe that comes from a salmonid; any fish belo
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