May 2022, ScientificAmerican.com 47
MUSSEL HAR-
VESTING at
Pemaquid Mus-
sel Farms in Bar
Harbor, Maine,
is overseen by
farm owner and
marine biologist
Carter Newell
( pages 32 and 33 ).
The shellfish are
grown on long
ropes dangling
into the water
from a raft ( top ).
The ropes are
hoisted onboard
( left ), and Newell
cuts a mussel
open to check for
health (far left).