polythalamius is similar in general body plan to other more typical shipworms
, the observed habitat, anatomy, and symbiotic bacteria differ substantially.
The giant shipworm
itself is "dark gray, shiny and floppy," Haygood said.
A front formed by the junction of frigid polar and warmer waters as well as a strong current circling the continent may block tiny shipworm
youngsters from moving in, says Thomas Dahlgren of Uni Research, the University of Bergen's partner research company in Norway.
The research team initially focused on shipworms
because the animals' creative use of bacteria to convert wood - a poor food source lacking proteins or nitrogen - into a suitable food source where the animal can both live and feed.
(broma) were a common blight for wooden vessels operating in warm waters, particularly in the Caribbean and Southeast Asia.
Marine borers found in the salt waters of the world can be classified as 1) molluscan borers, commonly known as shipworms
and pholads; and 2) crustacean borers including multiple species commonly known as gribbles.
Royalist observers, always fascinated by the Protector's schemes, noted the efforts to reinforce ships' hulls against the shipworms
endemic in tropical waters, guessed that Cromwell was preparing a West Indian venture.
He calls attention to the comparative vacancy of the once-busy harbor as abandoned piers rot or, as he explains in one fascinating chapter, are eaten away by shipworms
. Always, we see tantalizing opportunity for waterfront "reclamation" being tortuously realized or just out of reach of political will and economic necessity as we follow Lopate's physical and intellectual perambulations.
Two of the main organisms that damage submerged wood in the New York area are shipworms
, or teredo, and gribble worms.
It was Selcraig's opinion that the Cinque Ports was rotten with shipworms
(Teredo navalis), a mollusk that eats oak timbers.
wood-destroying Teredo "shipworms
," gribbles, and other borers that attack wooden pilings and vessels; fouling organisms that inhibit vessel use efficiency, weigh down navigational aids, and fill pipelines that cycle estuarine or marine waters.