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Images: Rites of Passage for Juvenile Marine Life

A CLOSE LOOK AT BARNACLES—Tracy Pugh, a former research assistant in the WHOI Biology Department, records the growth of barnacles in Buzzards Bay on Cape Cod, Mass. Understanding how juvenile barnacles and other marine invertebrates are transported by waves, currents, eddies, tides, and other phenomena helps researchers devise strategies to sustain vibrant habitats. (Jesús Pineda, WHOI.)
LIFE WITH LARVAE—Hair-like appendages on this two-week-old barnacle larva churn the water to aid in feeding. (Fabian Tapia, WHOI. )
After four to seven weeks, juvenile larvae settle along the shore and develop a hard white shell. (Todd Stueckle, WHOI.)
Adult barnacles, about one year old, form plates to hold their body together and for protection. (Photo by Vicke Starczak, Woods Hole Oceanographic Institution)
MIT/WHOI Joint Program student Fabián Tapia (left) and WHOI Postdoctoral Scholar Claudio DiBacco use fine nets to sample patches of cyprid barnacle larvae (photo below) floating in Narragansett Bay, R.I. Larvae ride internal bores—wave fronts beneath the surface of the ocean—toward the shore when they are mature enough to settle on rocks and coastal structures. (Jesús Pineda, WHOI.)
(Jesús Pineda, WHOI.)
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