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"The Angular Sea-Cucumber, <em>C. pentactes</em>, is also a European species, with double rows of warty suckers." &mdash; Goodrich, 1859

Angular sea-cucumber

"The Angular Sea-Cucumber, C. pentactes, is also a European species, with double rows of warty…

"<em>Sea-Cucumbers</em> are of various forms, some of the species being found in nearly all seas. They generally live among sea-weed or in mud, and are supposed to seize their prey by their tentacles. They have the power of elongating and contracting their forms so as at one time to appear like worms, and at another to assume the shape of an hour-glass." &mdash; Goodrich, 1859

Common sea-cucumber

"Sea-Cucumbers are of various forms, some of the species being found in nearly all seas. They…