Ships (23/50)

A ship is a large watercraft that travels the world's oceans and other sufficiently deep waterways, carrying goods or passengers, or in support of specialized missions, such as defense, research, and fishing. Ships are generally distinguished from boats, based on size, shape, load capacity, and tradition.

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Type:
shipwreck, tugboat, USA
Type:
Fraser Shipyards, Superior, WI as Frances A. Small
Specs:
( 113 x 31 ft, 850 tons ) 8 crew
Sunk:
Sunday March 3, 1985
collision with one of its own barges - no casualties
Depth:
230 ft


Type:
shipwreck, clam dredge, USA
Built:
1951, RTC Shipbuilding, Camden NJ, USA, as Maidstone
Specs:
( 120 ft ) 227 gross tons, 5 crew
Sunk:
Thursday January 16, 1992; winter storm - no casualties
Depth:
70 ft


Sea Squirts

Molgula manhattensis ( right )
Styela Partita
( left )

Sea Squirts are found attached intertidally to subtidally. They show an extraordinary tolerance for brackish and polluted water, which makes them highly survivable in urban areas. Sea Squirts, usually about an inch in diameter, are capable of ejecting a stream of water when agitated, hence the name. Usually found in groups of several animals. See also: Horned Salp.

Tunicates are much more advanced in the evolutionary scheme of things than anemones, having, for example, a circulatory system. The larvae actually even have several features in common with vertebrates, including the precursor of a spinal cord, but these are lost in the sac-like sessile adults.