Whole Fish vs Fillets: Which Should You Actually Buy?

TL;DR: A whole round fish yields about 40 to 50 percent fillet. Do that maths and whole fish is usually cheaper per edible kilo, tastes better cooked on the bone, and hands you a free frame for stock. Fillets win when you are short on time or feeding fussy eaters.

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There is a moment at every fish counter where you look at the whole snapper, then at the tidy tray of fillets next to it, and pick the fillets because it is easier. Nothing wrong with that. But the whole fish is often the better buy, and once you know how to compare them properly the decision gets a lot clearer.

The yield question, answered properly

Fillet price and whole fish price are not comparable numbers, because you do not eat all of a whole fish. The useful figure is yield: how much edible fillet you get from the round weight.

For most round fish sold on the Gold Coast, expect:

• Round fish such as snapper, barramundi, coral trout, red emperor: 40 to 50 percent skin on fillet
• Flat fish such as flounder and sand whiting: 35 to 45 percent
• Oily fish such as mackerel and mullet: 45 to 55 percent

So a 1 kilogram whole snapper gives you roughly 450 grams of fillet. To compare fairly, divide the whole fish price by 0.45, then hold that number against the fillet price per kilo.

Run that sum on a typical week and whole fish usually comes out ahead, sometimes by a wide margin, because you are not paying for someone else's knife time and offcut wastage.

What you get that never shows up in the price

The frame is not scrap. A snapper or barramundi frame simmered for 25 minutes with an onion, a bay leaf and a few peppercorns makes a clean, gelatinous fish stock that is worth more than anything in a carton. Freeze it flat in bags and you have the base for chowder, curry or risotto sitting ready.

The cheeks are the best two mouthfuls on the fish and almost nobody knows to ask for them. The collar, the wedge behind the gills, is rich and fatty and superb grilled with salt.

Buy fillets and all of that goes to someone else.

Where fillets genuinely win

Fillets are not a compromise. They are the right answer in several situations.

You are cooking on a weeknight. A flathead or ling fillet is dinner in six minutes. A whole fish is a 30 minute commitment.

You are feeding children or nervous eaters. Bones are the number one reason people say they do not like fish. A pin boned fillet removes that objection entirely.

The recipe needs uniform pieces. Fish tacos, curries, crumbed fish, stir fries and pies all want even cubes or strips. You cannot cut those consistently from a bone in fish.

You are cooking for one or two. Half a kilo of fillet is dinner. A whole fish that size is awkward.

Where whole fish genuinely wins

Anything on the barbecue or in the oven. Bones and skin insulate the flesh. A whole fish cooked over coals is more forgiving and more flavourful than a fillet, every time.

Feeding a table. A whole roasted snapper carried out on a platter does something to a dinner party that four separate fillets do not.

Steaming. Chinese style steamed fish with ginger and shallot only works properly whole. The head and bones give the sauce its body.

Value on premium species. The gap between whole and fillet price is widest on the expensive fish. Coral trout, red emperor and King Ora salmon are where buying whole saves you the most.

The species that are worth buying whole

Not every fish is a good candidate. These are the ones our counter staff buy for themselves.

• Snapper is the all rounder. Roasts, barbecues and steams equally well, and the frame makes excellent stock.
• Barramundi has firm flesh that holds together on the grill and a skin that crisps beautifully.
• Coral trout is the special occasion fish. Sweet, white and expensive as fillet, so the whole fish saving is real.
• King George whiting is small, sweet and best cooked whole and fast in a pan.
• Red emperor is a serious centrepiece fish with big, meaty flakes.
• Silver bream and golden pomfret are the value picks for a whole fish on a Tuesday.

Ask the counter to do the work

This is the part people forget. Buying whole does not mean doing the knife work yourself.

Our team will scale, gut, fillet, skin and pin bone anything in the cabinet at no extra cost. You can buy a 2 kilogram whole snapper, ask for it filleted and pin boned, take home the fillets and the frame, and still pay less per edible kilo than the tray of fillets next to it.

If you are cooking it whole, ask for it scaled and gutted with the head on, and ask them to score the thickest part of each side. Those cuts are what stop the shoulders being raw when the belly is done.

Quantity Planning

Whole round fish, main course: 400 to 500 grams per adult. Whole round fish, shared with sides: 350 grams per adult. Skin on fillet, main course: 180 to 200 grams per adult.

A 1.5 kilogram whole snapper feeds three to four. A 2.5 kilogram fish feeds six. Two medium fish cook far more evenly than one very large one, so for eight people buy two at 2 kilograms rather than a single monster.

Where to Source It

Tasman Star runs whole snapper, whole barramundi, coral trout, red emperor, King George whiting, silver bream, golden pomfret and more through the counter fresh, alongside the fillets. Ask the team what came in best that morning rather than deciding before you arrive: the right answer changes with the boats.

Find us at 5 to 7 Olsen Ave, Labrador or 20 Casua Dr, Varsity Lakes, open 7 AM to 6 PM, 7 days.

Browse whole fish and fillets and order online for Gold Coast delivery.