Darkfield photomicrograph, Acorn barnacle larval stages. Semibalanus balanoides.


Cirripedia development In barnacle …emerge as free-swimming forms called nauplii, as in many other crustacean species. In typical barnacles six naupliar stages precede formation of a cypris—a nonfeeding larval stage (see video). In cirripede: Reproduction and life cycles …first larval stage, called the nauplius.


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Photo credit: © Scenics & Science / Alamy / Afripics
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Keywords: acorn, balanoides, balanoides., balanus, barnacle, biology, boreo-arctic, cirripedia, crustacean, darkfield, larval, marine, nauplius, photomicrograph, semibalanus, sessile, species, stage, stages.