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Underwater Photo Location: Perch Island, South Wall

Underwater Photo Location: Perch Island, South Wall

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A steep rock wall with large ledges dropping to unexplored depths. Heavily ice-scoured above 20M, this site is nonetheless one of the best spots in the area to look for large current-feeding species like Promachocrinus and large sea cucumbers. Water temperature is usually around 28-30F (-2 to -1C) in December and January.
Facts about Perch Island, South Wall
Dive types

by David Cothran
A large crinoid, Promachocrinus kerguelensis; fairly common around the Antarctic Peninsula. This individual is about 80cm (32in) across, swimming with a beautiful coordinated motion of its arms.
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