Scallop Dredges

scallop dredge
Scallop

Scallop dredging is similar to clam dredging in that large metal rakes are dragged across the bottom. However, that is where the resemblance ends. Since scallops live on the surface, unlike buried clams, they can be harvested with much lighter-weight gear. A scallop rake is typically much smaller than a clam rake, consisting of a triangular frame with a chain-link catch-bag. No hydraulics are necessary. Such gear does not require as much towing power as for clamming. Since scallops are cleaned at sea as they are caught, and all the heavy shells discarded, there is also much less on-board storage requirement. Scallop boats can therefore be smaller than clam boats, and some are quite small indeed. In fact, the entire business model seems to be different, and it appears that a few small privately-owned operations persist to this day, in contrast to clamming, which is now dominated by a few corporate fleets.

scallop dredging
A typical scallop dredging operation
scallop dredge
A scallop rake stuck in a wreck

In search of their prey, scallopers seem to be more inclined than clammers to drag close to wrecks and other known bottom obstructions. While a huge clam dredge will often tear right through an old shipwreck, a small scallop rake is much more likely to get stuck and lost, and there are a number of them around on various wrecks.

scallop boat
The Christian & Alexa is one of the few big local scallop boats.

Port and starboard rakes are stowed vertically amidships and deployed at once over each side. That is why the side of the vessel is all scarred and rusted, while the stern is enclosed. Since scallops are shucked at sea, she does not require the same heavy port facilities as the clammers, and docks at a different location.

Note the scallop rake stuck on this shipwreck at lower-right, and the many scallop pits all around. USS Murphy, NOAA

Shipwreck Lady Gertrude
Atlantic Princess was probably similar to Lady Gertrude
Type:
shipwreck, scallop dredge, USA
Built:
1980, St. Augustine FL
as Eleanor Eileen X
Specs:
( 68 ft ) 121 gross tons, 6 crew
Sunk:
Sunday, December 14, 1980
foundered, 2 survivors
Depth:
170 ft

Shipwreck Lana Carol
Type:
shipwreck, scallop dredge, USA
Built:
1973, Pascagoula MS USA, as Dorinda
Specs:
( 71 x 21 ft ) 104 gross tons, 4 crew
Sunk:
Sunday October 31, 1976
foundered in rough seas - no casualties
Depth:
90 ft

Shipwreck Lady Mary
Type:
shipwreck, scallop dredge, USA
Built:
1969, Pascagoula MS USA
Specs:
( 71 x 21 ft ) 125 gross tons, 7 crew
Sunk:
Tuesday March 24, 2009
foundered in storm - 1 survivor
GPS:
40°25.641' -73°51.135' (USCG 2004)
Depth:
210 ft

McAllister colors
McAllister colors

McAllister Towing is one of the oldest and largest marine towing and transportation companies in the United States. They operate a fleet of more than seventy tugboats and twelve barges along the East Coast from Portland, Maine to San Juan, Puerto Rico.

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