What Is the Difference Between Sardines and Anchovies?
Sardines and anchovies appear side by side on the same shelf, in similar tins, at similar prices. They are both small, oily, preserved fish with strong associations with the Mediterranean and Iberian food traditions. Beyond that, they are almost entirely different — in species, flavour, curing method, texture, and how you use them in the kitchen. Confusing them is understandable. Keeping them confused is worth correcting.
Here is the full breakdown.
The fish itself
Sardines and anchovies are completely different species. Sardines belong to the herring family — larger bodied, silver-skinned, with a mild to moderate flavour depending on how they are prepared. Anchovies are a separate species entirely, considerably smaller, with a more delicate bone structure and a significantly higher oil content relative to their size.
A sardine in a tin is recognisably a fish — you can see it, break it apart, and eat it as you would any fillet. An anchovy fillet is a thin, dark strip that has been transformed almost beyond recognition from the fish it started as. That transformation is the key to understanding what separates them.
The curing process
This is the most important difference, and the one that explains why they taste so different despite starting as two small oily fish.
Sardines are cooked during the tinning process — steamed or lightly cooked before being packed in oil, butter, or sauce. The result preserves the character of the fish while making it shelf-stable. A good tinned sardine tastes of fish — clean, rounded, and mild to moderately assertive depending on the producer and preparation.
Anchovies are salt-cured for months before tinning. The fish is packed in salt immediately after catch and left to ferment — often for twelve months or more — before being cleaned, filleted, and packed in olive oil. During this process, the fish undergoes a fundamental change: proteins break down, glutamates develop, and what emerges is not simply a preserved fish but a concentrated source of savoury depth that has more in common with aged cheese or good soy sauce than with the raw fish it started as.
This is why a Cantabrian anchovy fillet from Yurrita — cured for a minimum of twelve months — tastes almost nothing like a fresh anchovy. The curing is the product.
The flavour difference
A sardine is mild enough to eat on its own without any prior experience of tinned fish. Its flavour is clean, rounded, and recognisably fishy without being aggressively so. A butter-packed sardine from the Azores, for instance, is rich and gentle — approachable for almost anyone.
An anchovy is intense. The salt cure concentrates the flavour to a point where a single fillet has more presence on the palate than an entire sardine. This intensity is not a flaw — it is exactly what makes anchovies so useful in cooking. But it means anchovies are not the right starting point for someone new to tinned fish, and someone expecting sardine-level mildness from a tin of anchovies will be surprised.
How you use them
Sardines are eaten as a fish — on toast, in a salad, through pasta, or straight from the tin. They are the centrepiece of whatever they are in.
Anchovies play two completely different roles depending on the preparation. Eaten directly — on good bread with unsalted butter, or as part of a tinned fish board — they are a delicacy in their own right, eaten in small quantities with intention. Cooked into a sauce, they dissolve almost entirely, leaving only their savoury depth behind. This is why anchovies appear in pasta sauces, dressings, braises, and puttanesca — not as fish you can identify in the finished dish, but as seasoning that makes everything else taste more like itself.
The simplest way to think about the distinction: sardines are a meal, anchovies are an ingredient. Both are also a delicacy when treated with the right tin and the right approach.
Which one to start with
Start with sardines. They are more immediately accessible, more forgiving of a simple preparation, and the right entry point into the conservas world for most people. Once you understand what a good sardine is, anchovies make more sense — both as something to eat directly and as the kitchen ingredient they become once you cook with them.
Browse the sardines collection and anchovy collection to see the full range, or see How to Eat Sardines and Anchovy Pasta: Three Ways for where to start with each.