This page uses a selection of info relating come seafood sizes, weights, units of measure, and also yield. In many cases, seafood sizes are not standard and also will differ locally. All details is approximate.

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Hard Clams – Quahogs

Weight every pound and also hinge size (thickness of shell measured in ~ hinge) below are approximate:

Chowder .5 – 1.25 pounds each 2 + inch 200-250 per bushelCherrystone 3-4 per pound 2 inchTopneck 5-7 per lb 1 1/2 inchMiddleneck 7-9 per pound 1 1/4 inchLittleneck 10-13 per lb 1 inch

One bushel that quahog clams yields roughly 8 pounds of meat (with liquor).

Soft-shelled Clams

One bushel the soft-shelled clams yields around 10 pounds of meats (with liquor).

Eastern Oyster

Shucked size – number of oysters in a pint

Extra big or Counts – much less than 20Large or Extra select 26Medium or pick – 26 – 38Small or conventional – 38 – 63Very small – an ext than 63

Oysters in the Shell

Oyster farms often market their half-shell oysters at end 2.5-inches native hinge come bill; 3 inches is usually considered to be the normal dimension for half-shell oysters.

One bushel the oysters weighs around 45 come 60 pounds and also contains in between 100 and also 150 oysters. A bushel of oysters yields around 7 pounds of meats (with liquor). A peck the oysters is 1/4 bushel.


Sea scallops and bay scallops are sorted follow to size. Counts are expressed as a range. For example, 10/20 way that 1 pound of product contains 10 to 20 scallops. The smaller the size, the greater the count.

Large sea scallops are periodically designated by the letter U, which represents “under” adhered to by a number. The smaller sized the number, the enlarge the scallop.

Scallop SizesUnder or U-10 (10 or less scallop meats every pound)10-20 (10 come 20 every pound)20-3040-8080-120120-250

One bushel the sea scallops yields roughly 3.5 pounds of meats (adductor muscle only).

Warmwater Shrimp

Warm water shrimp space usually marketed by count per pound. Counts space expressed as a range. For example, 10/25 way that 1 pound of product includes 10 to 25 shrimp. The smaller sized the size, the greater the counts.

Shrimp size are occasionally expressed in names quite than numbers, such together “colossal,” “jumbos,” and also “extra large.”

These designations room not universally defined or regulated and are open up to a wider range the variance 보다 the counting system,

The adhering to is a stormy comparison of variety of shrimp per pound for each sector name:

Jumbo – 8 to 10Large – 10 come 25Medium – 26 come 40Small – 41 come 60

Fresh southerly Atlantic and also Gulf shore shrimp are sometimes sold in blended sizes or heads on. Heads-on shrimp yield substantially less meat per pound 보다 heads-off product.

A dominion of ignorance is 2 pounds of heads-off shrimp in their shells will certainly yield about 1 1/4 pounds once peeled.

Allow around 3/4-1 lb lb of headless shrimp in the covering per person; if the shrimp are shelled, figure around 1/3 come 2/3 pound per person.

Coldwater Shrimp

It takes about 3 pounds of fresh heads-on coldwater shrimp to develop 1 pound of cook peeled shrimp.

American Lobsters

The network weight of the American lobster meat depends on the size and condition the the lobsters. Soft shelled lobsters network a much reduced yield that meat than difficult shelled individuals. Typically, 5 – 6 pounds of soft-shell lobsters or 4 – 5 pounds the hard-shell lobsters will certainly net 1 lb of meat.

Blue Crabs

Blue crabs are marketed by the piece, dozen, or bushel. Retail industries or virtual specialty suppliers may sort crabs into size. Neighborhood suppliers and also wholesale to work usually market crabs by the bushel.

Sizes or qualities of bushels encompass #1, #2 and #3. The three grades are not specifically defined and also exact sizes of crabs in every grade vary through location and also season.

Typically, a bushel the #1 crabs will contain around 60 – 70 crabs (enough come feed about 10 – 12 people). Seafood dealers often estimate the weight of 1 bushel of crabs at roughly 40 pounds; each wood bushel basket that crabs through lid weighs about 45 pounds each.

Blue crabs reach shell widths of approximately 9 inches; a typical individual is typically 5-6 inches from pointer to tip. Although over there is no main standard because that blue crab sizes, they are sometimes marketed using the following market terms:

Colossal – 6 1/2 customs or more.Jumbo – 6 to 6 1/2 inches.Large – 5 1/2 come 6 inches.Medium – 5 come 5 1/2 inches.Small – 4 1/2 come 5 inches.

* measured native shell pointer to tip.

Depending ~ above size, blue crabs sweet from about 5 come 16 oz. Each. A typical crab picker have the right to extract around 2-3 ounces the meat native each pound of totality blue crabs. Another expression because that yield of crab meat is about 14% of totality weight. Really yields depend on the size and also condition of crabs and experience of the crab picker.

Soft-shelled Blue Crabs

Soft-shelled blue crabs (soft crabs) are frequently marketed by almost right size*:

Hotel – 4.5 to 5 inchesPrime – 5 to 5.5 inchesJumbo – 5.5 come 6 inchesWhale – higher than 6 inches

* measured indigenous shell guideline to tip.

Dungeness Crabs

Dungeness crabs typically weigh 2-3 pounds each. On average 2 pounds the Dungeness crabs (live weight) yields about .5 pounds of picked meat.

Jonah Crabs

Jonah crab sizes are usually to express by carapace (upper shell) width. A Jonah crab through a carapace width of 5 inches typically weighs 12-14 oz.; A 5.5 inch crab can weigh 15-16 oz.; A 5.75 inch crab can weigh in about 18-19 oz.

Stone Crabs

Stone crab claws space usually marketed pre-cooked and graded based on weight:

medium (up to 3 ounces)large (between 3 and also 5 ounces)jumbo (5 ounces and also up)

It usually takes around a lb of rock crab claws to feeding one person.


Sizes of fish vary considerably as does the ratio of whole live weight to network weight of fillets. Relying on a selection of factors, fish may be offered whole, gutted only, headed and also gutted, as skin-on fillets, skinless fillets, steaks, loins or smaller pieces.

Some fish productivity much higher ratios the edible meat than others. Varieties such together flounder space a an excellent value in state of final yield. A good fish monger have the right to net as lot as 60% of live weight together boneless skin top top fillets from flounder.

Most varieties of tuna fish yield approximately 42 percent white meat and also 12 percent red meat.

Fish oil weighs approximately 7.5 lb/gal.

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Units of Measure

A bushel is a U.S. And also imperial unit of dried volume, tantamount in each mechanism to 4 pecks, 8 gallons, 32 quarts.