Margie Ann

no photo available

Type:
artificial reef, tugboat
Built:
1950, Tampa, FL, as William H
Specs:
( 90 ft )
Sunk:
Tuesday June 19, 2001 - Delaware #11 Artificial Reef
GPS:
38°40.540' -74°43.957'

Built in 1950, by Tampa Marine Incorporated of Tampa, Florida ( hull #72 ) as William H. The tug was later sold and renamed Lisa R. She was eventually acquired by the Mobile Towing and Wrecking Company of Mobile, Alabama, and renamed Austill Pharr. In 1971, the tug was acquired by the Moran Towing Company of New York, New York. In 1977, she was acquired by Tillett Tug and Barge Incorporated of Chesapeake, Virginia, and renamed Margie Ann. She was a single screw tug, rated at 900 horsepower.


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Jellyfishes
Moon Jellies Aurelia aurita (left) and
Red Jelly Cyanea capillata (right)

Jellyfishes are free-swimming relatives of corals, anemones, and hydroids. In fact, in many cases, they are the same species, just in a different stage of life! Not all medusas ( as jellyfishes are called ) have a corresponding polyp stage, and likewise, not all polyps have a corresponding medusa stage, but most alternate generations in each form. Small jellies ( up to 1" across ) are most likely the medusa stage of some hydroid, while large jellies are usually the dominant stage of a species in which the polyp stage is almost absent. Even anemones have a periodic medusa stage, although it is infrequently observed.

Although jellyfish can swim slowly, they are largely at the mercy of the tides and currents, and at times large numbers are concentrated into bays and may be stranded on beaches.

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