Very flattering indeed has been the success of the fishermen; and many boats have come in loaded, averaging thirty or forty crans each (every cran estimated at 1,000 herrings), and disposed of their cargoes at nine shillings per cran; but the price has been since raised to fifteen shillings.
Source: wiktionary
His brother caught three hundred cran when the seas were lavish, / Threw the bleeders back in the sea and went upon the parish.
Source: wiktionary
[…] And fish the knolls on the North Sea Holes
And try your luck at the North Shields Gut
With a catch of a hundred cran.
Source: wiktionary
But I've fished a lifetime, boy and man,
And the final trawl scarcely makes a cran.
Source: wiktionary