How to Read a Caviar & Bottarga Label: A Gourmet Buyer's Guide
Few grocery aisles are as intimidating as the gourmet-roe shelf. One tin says “malossol,” the next says “caviar pearls,” a third calls itself “bottarga di muggine,” and the prices swing from a few dollars to a small fortune. Learning how to read a caviar and bottarga label is the single fastest way to shop with confidence — and to make sure the money you spend actually lands on quality. This buyer's guide breaks down every term you're likely to see, so you know exactly what's in the jar before it reaches your table.
First, What “Caviar” Actually Means
In the strictest culinary and regulatory sense, true caviar is the salted roe of sturgeon — fish in the Acipenseridae family, such as Beluga, Ossetra, and Sevruga. Everything else is, technically, fish roe or a caviar alternative. That doesn't make the alternatives lesser; it simply means the word on the label is telling you something specific. When you see “salmon caviar,” “herring caviar,” or “caviar pearls,” you're looking at roe from another source (or a plant-based pearl) presented in the caviar style. Knowing that distinction up front stops you from overpaying for a substitute — or from overlooking a brilliant, affordable one.
The Anatomy of a Caviar Label
1. The species or roe type
The first thing to find is what fish (or plant) the roe comes from. Sturgeon varieties (Beluga, Ossetra/Osetra, Sevruga, Kaluga) command the highest prices. Non-sturgeon roes — salmon, trout, herring, lumpfish, capelin, anchovy — are labeled by their source and are far more accessible. Seaweed-based options such as wakame pearls are plant-based alternatives built for vegan and sushi service. If a label is vague about the source, treat that as a red flag.
2. “Caviar,” “caviar pearls,” or “roe”
These words are not interchangeable. Caviar (unqualified) implies sturgeon. Caviar pearls or flavored pearls usually means a modern, spherified product — consistent little spheres flavored with anchovy, smoked salmon, herring, sriracha, or truffle. Roe is the plain, honest term for fish eggs of any kind. None is better or worse by definition; the label is simply telling you what to expect in texture and price.
3. Wild-caught vs. farmed
Most sturgeon caviar sold today is farm-raised, which is both legal and sustainable — wild sturgeon are heavily protected. Legitimate sturgeon caviar carries a CITES code on the tin, a traceability marker worth looking for. For non-sturgeon roes and bottarga, “wild-caught” is a genuine quality and flavor signal, so it's a claim worth noting on the label.
4. Grade, color, and size cues
Higher grades generally mean larger, more uniform, more intact eggs with a clean “pop.” Color descriptors (from pale amber to deep charcoal) are aesthetic, not automatically a mark of quality — a lighter Ossetra can outclass a darker one. Ignore color hype; prioritize freshness, intact grains, and a clear source.
5. Processing: “malossol,” salt, and pasteurization
Malossol is Russian for “little salt” and signals a lightly salted, higher-quality cure that lets the roe's flavor lead. Pasteurized caviar has a longer shelf life and firmer texture but a slightly muted taste versus fresh. Neither is a flaw — just match the choice to how quickly you'll serve it.
Reading a Bottarga Label
Bottarga — the cured, pressed, and dried roe pouch often called “the caviar of the Mediterranean” — has its own vocabulary that trips up even seasoned shoppers.
Muggine vs. tonno
The two words that matter most are the fish. Bottarga di muggine is grey mullet roe: amber-hued, mellow, nutty, and prized as the finer of the two. Bottarga di tonno is tuna roe: darker, firmer, and more assertively briny. If a label just says “bottarga,” look for the fish before you buy — the flavor difference is significant.
Whole lobe, grated, or powder
Format changes how you'll use it. A whole lobe lets you slice, shave, or grate to order and offers the longest storage life. Grated bottarga in a jar is the effortless everyday option — a quick finishing dusting over pasta, eggs, or avocado toast. Powder dissolves into sauces and dressings. Match the format to your cooking, not the other way around.
Origin, cure, and kosher status
Sardinia, Greece, and the wider Mediterranean are classic bottarga origins; a stated origin and a “wild-catch” note both signal care. One label detail worth understanding: because grey mullet has fins and scales, mullet-roe bottarga can carry a kosher certification (a hechsher symbol) — whereas true sturgeon caviar generally cannot, since sturgeon lack traditional scales. If kosher matters to you, that symbol on the label is the thing to confirm.
Certifications and Claims Worth a Second Look
Beyond kosher marks and CITES codes, scan for the net weight (so you can compare price per ounce honestly), an ingredient list (great roe needs little beyond fish and salt), and a clear best-by or shelf-life note. Be gently skeptical of vague superlatives with nothing concrete behind them; the most trustworthy labels state the fish, the origin, and the cure plainly.
Put It Into Practice at Duke's Gourmet
Once you can read the label, the shelf gets a lot friendlier. Our Bottarga collection lays out exactly what every guide above describes — muggine vs. tonno, whole lobe vs. jar — so you can choose by fish and format. A perfect place to start is Bottarga Esmeralda, wild-caught grey mullet roe hand-selected from the Mediterranean, or the resealable Bottarga Gold grated jar if you want the easiest way to finish a dish. And if you're drawn to the caviar side, our Caviars & Pearls collection spans classic roe and modern flavored pearls, each labeled by exactly what it is.
Reading a label well is really just knowing which three things to confirm every time: the source, the format, and the cure. Get those right, and every gourmet purchase — from a first jar of grated mullet roe to a special-occasion tin — becomes a confident one.