This page offers a selection of info relating to seafood sizes, weights, units of measure, and yield. In many cases, seafood sizes space not standard and will vary locally. All info is approximate.

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Hard Clams – Quahogs

Weight per pound and also hinge size (thickness of seashells measured at hinge) below are approximate:

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

One bushel the quahog clams yields approximately 8 pounds of meats (with liquor).

Soft-shelled Clams

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

Eastern Oyster

Shucked dimension – number of oysters in a pint

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

Oysters in the Shell

Oyster ranches often sector their half-shell oysters at end 2.5-inches from hinge to bill; 3 customs is usually considered to it is in the normal size for half-shell oysters.

One bushel that oysters weighs approximately 45 to 60 pounds and contains between 100 and 150 oysters. A bushel of oysters yields approximately 7 pounds of meat (with liquor). A peck the oysters is 1/4 bushel.


Sea scallops and also bay scallops space sorted according to size. Counts room expressed as a range. Because that example, 10/20 means that 1 pound of product has 10 come 20 scallops. The smaller the size, the greater the count.

Large sea scallops are occasionally designated by the letter U, which stands for “under” complied with by a number. The smaller sized the number, the larger the scallop.

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

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

Warmwater Shrimp

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

Shrimp sizes are occasionally expressed in names fairly than numbers, such as “colossal,” “jumbos,” and also “extra large.”

These designations are not universally defined or regulated and also are open to a more comprehensive range of variance than the counting system,

The adhering to is a turbulent comparison of number of shrimp per pound for each market name:

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

Fresh southern Atlantic and also Gulf coastline shrimp are occasionally sold in combined sizes or top on. Heads-on shrimp yield substantially less meat every pound 보다 heads-off product.

A ascendancy of ignorance is 2 pounds of heads-off shrimp in their shells will certainly yield around 1 1/4 pounds when peeled.

Allow about 3/4-1 lb pound of headless shrimp in the shell per person; if the shrimp space shelled, figure around 1/3 to 2/3 pound per person.

Coldwater Shrimp

It takes about 3 pounds of new heads-on coldwater shrimp to create 1 lb of cooking peeled shrimp.

American Lobsters

The net weight that the American lobster meat counts on the size and also condition that the lobsters. Soft shelled lobsters net a much lower yield that meat than hard shelled individuals. Typically, 5 – 6 pounds the soft-shell lobsters or 4 – 5 pounds the hard-shell lobsters will net 1 pound of meat.

Blue Crabs

Blue crabs are offered by the piece, dozen, or bushel. Retail industries or digital specialty suppliers may sort crabs right into size. Neighborhood suppliers and wholesale to work usually market crabs through the bushel.

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

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

Blue crabs reach covering widths of up to 9 inches; a usual individual is commonly 5-6 customs from guideline to tip. Although over there is no official standard for blue crab sizes, they are occasionally marketed making use of the adhering to market terms:

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

* measured from shell pointer to tip.

Depending on size, blue crabs weigh from around 5 to 16 oz. Each. A common crab picker have the right to extract about 2-3 ounces that meat from each lb of whole blue crabs. One more expression for yield the crab meat is about 14% of whole weight. Really yields count on the size and condition of crabs and experience of the crab picker.

Soft-shelled Blue Crabs

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

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

* measured from shell reminder to tip.

Dungeness Crabs

Dungeness crabs generally weigh 2-3 pounds each. On median 2 pounds of Dungeness crabs (live weight) yields around .5 pounds of picked meat.

Jonah Crabs

Jonah crab sizes room usually to express by carapace (upper shell) width. A Jonah crab v a carapace broad of 5 inches typically weighs 12-14 oz.; A 5.5 inch crab could weigh 15-16 oz.; A 5.75 customs crab might weigh in around 18-19 oz.

Stone Crabs

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

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

It typically takes about a pound of stone crab claws to feeding one person.


Sizes of fish vary significantly as go the ratio of entirety live weight to net weight the fillets. Depending on a selection of factors, fish may be marketed whole, gutted only, headed and also gutted, together skin-on fillets, skinless fillets, steaks, loins or smaller pieces.

Some fish yield much greater ratios the edible meat 보다 others. Types such as flounder room a good value in terms of final yield. A good fish monger have the right to net as lot as 60% that live weight as boneless skin top top fillets native flounder.

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

Fish oil weighs around 7.5 lb/gal.

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Units that Measure

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