On Tue, 26 Dec 2017 07:16:45 -0800 (PST), Cindy Hamilton
> wrote:

>On Tuesday, December 26, 2017 at 5:44:18 AM UTC-5, Ophelia wrote:
>
>> Ahhh that might be it)7
>>
>> I haven't come across that 'shrimp count' thing here. Our bigger ones are
>> called prawns or lobsters
>>
>> Our shrimps are tiny
>
>I'll admit it's a little cognitively dissonant to buy a package of
>"jumbo shrimp".
>
>We have two systems (although one isn't very systematic) of shrimp
>size nomenclatu
>
>Number of shrimp per pound
>Vague identifiers such as small, medium, large, jumbo, colossal.
>
>Serious cooks try to buy their shrimp by "number per pound".
>
>The term prawn is occasionally used for the largest specimens,
>although usually on menus.
>
>We use the word "shrimp" to refer to a particular class of
>crustaceans; the defining feature appears to be that their legs
>aren't strong enough to walk on.
>
>Lobster have stronger legs. Generally, "lobster" unmodified
>refers to Homarus americanus. I have eaten a fair number of
>"African Rock Lobster" tails and "langostinos" as well.
>
>Freshwater lobsters are generally called crayfish, crawfish, or
>crawdads.
>
>Cindy Hamilton

that was a nice summation. ;-)
P.S. They're all good!
Janet US