Barnacle larvae

Taxon-Order: 

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Habitat: 
Planktonic larvae, sessile adults.
Size: 
0.35-1.0 mm
Natural History: 

The life cycle of a barnacle has three phases: 1) a pelagic, suspension-feeding nauplius larva, 2) a pelagic, non-feeding cypris larva, and 3) a benthic (or attached, drifting) suspension-feeding adult.