New Jersey Aquarium

Sandbar Shark
Sandbar Shark
New Jersey State Aquarium - Camden

Volunteer divers at the aquarium assist with food preparation, cleaning and maintaining work area and exhibits, perform dive demonstrations, and assist aquarists when necessary. Volunteer must be a certified diver age 18 years and older with at least 25 logged dives; 5 in the last 2 years and 2 in the last 12 months. Volunteer must be able to commit to 2 eight-hour work shifts per month ( same day every other week. ) Volunteer applications are available at the information desk.

New Jersey State Aquarium - Camden

The dozen sharks at the New Jersey State Aquarium In Camden are well-fed. That's a good thing for Joel Sanders, a 50-year-old from Woodbury. He and another volunteer diver dress only in wet suits to use a vacuum that cleans algae and other debris from the 760,000-gallon Open Ocean Tank daily. The sharks, which swim in figure-eight patterns, don't pay much attention to the humans, or their vacuum hoses. The toothy predators weigh as much as 400 pounds, and each eats about 2 percent of its body weight in food each week. The sharks feast on a varied menu, including mackerel, croaker, weakfish, herring, flounder and squid. Fortunately, not humans.

PHOTO AND TEXT BY SCOTT LITUCHY
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Other Attractions:

USS New Jersey museum ship
While you're at the aquarium, don't forget to visit the USS New Jersey, right next door.
USS Olympia museum ship

There is also ferry service across the river to the Independence Seaport Museum in Philadelphia, where you can tour the USS Olympia, contemporary of the San Diego, and the USS Becuna. From Penn's Landing, it is just a few blocks to the historic area.

New Jersey State Aquarium - Camden

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white pine
Eastern White Pine (softwood)
red oak
Red Oak (hardwood)

All woods turn black after prolonged immersion.

Botanically, wood is the xylem tissue that forms the bulk of the stem of a woody plant. Xylem conducts sap upward from the roots to the leaves, stores food in the form of complex carbohydrates, and provides support; it is made up of various types of cells specialized for each of these purposes. Among them are tracheids, elongated conduction and support cells; parenchyma ( food storage ) cells, some of which form rays for transverse conduction; xylem vessels, formed of hollow cells joined end to end; and fiber cells that reinforce these tubes. In the conifers the xylem is made up mainly of tracheids, thus presenting a uniform, nonporous appearance; their wood is called softwood. Deciduous trees have more complex xylem, permeated by vessels, and are called hardwoods, although the description is sometimes inaccurate.