<em>Algoma</em> was a steamer built in 1883; it sank off the shore of Mott Island near Isle Royale in Lake Superior in 1885 and the remains are still on the lake bottom. The wreck was placed on the National Reg More
SRC Chief Dave Conlin diving on the propeller of <em>Chisholm</em> that wrecked with 92,000 bushels of barley in a gale and heavy weather, October 20, 1898.
<em>Monarch</em> was described as a beautiful ship and it was special in the way it made the news with famous passengers. The weather was extreme during <em>Monarch's</em> last voyage on December 6th, 1906, and More
Closed Circuit Cave diver Public domain photograph of a cave, free to use, no copyright restrictions image - Picryl description
French Angelfish, Intermediate or young adult has black scales the yellow rims and yellow around eyes but still has a faint yellow stripe.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Garibaldi and California Spiny Lobsters Public domain photograph of underwater diving, free to use, no copyright restrictions image - Picryl description
Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Clownfish form symbiotic associations with anemones. The clownfish is covered with a thick layer of mucus at birth which protects them from the stinging tentacles of the anemone.
Biscayne National Park's Maritime Heritage Trail is the only underwater archaeological trail in the National Park System. The "Shipwreck Trail" includes six wrecks spanning a century of maritime history, includ More
Spur and groove relief with fantastic soft and hard coral growth
Public domain photograph of underwater diving, free to use, no copyright restrictions image - Picryl description
Banded Butterflyfish have two wide black bands midbody and black bar across head from eye to eye. Typically flit around with a partner.
Scientific name: Lactophrys bicaudalis Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
A scuba diver explores the bow of a submerged ship while a tender takes notes.
Diver sampling quagga mussels Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Pink Sponge below the surface, growing on a mangrove root Public domain photograph of coral reef, underwater life, free to use, no copyright restrictions image - Picryl description
Winfield Scott, a side-wheel passenger streamer with a length of 225ft, departed San Francisco fully loaded on December, 1, 1853. In thick fog, the vessel plowed into Anacapa at full speed. No lives were lost.
NPS Diver deploys a 3d camera attached to a Remotely Operated Vehicle(ROV) into the USS Arizona. Out of respect for the soldier and sailors entombed inside, the NPS does not allow diving inside the USS Arizona. More
Goals for interior investigations in 20013 were to visually characterize variations of interior corrosion and to collect environmental samples. The VideoRay was equipped with a YSI multi-parameter sonde to meas More
Biscayne National Park is home to many wrecks. Oftentimes during shipwreck events, the anchors are released, in an attempt to catch the bottom and avoid wrecking on a reef. There are many such anchors in the pa More
A Jr Ranger snorkeling a reef and looking at sealife with a buddy.
A scuba diver explores the bow of the America while a tender takes notes.
Scientific name: Opistognathus aurifrons Public domain photograph related to US National Parks, Nature, conservation, free to use, no copyright restrictions image - Picryl description
Public domain photograph of coral reef, underwater life, free to use, no copyright restrictions image - Picryl description
Closed Circuit Rebreather divers entering water
Elkhorn Coral, Seafan and Sponge in Hawksnest Bay, St. John, US Virgin Islands
Interment Ceremony of USS Arizona Survivor Raymond Haerry
Scientific Name: Pomacanthus arcuatus Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Dry Tortugas NP Research Natural Area (RNA), is a "no-take" marine reserve occupying 46% of the park and includes much of the coral reef habitat. The primary purposes of the RNA are to restore and protect bio More
Divers document and access submerged natural and cultural resources. Public domain photograph of underwater diving, free to use, no copyright restrictions image - Picryl description
The fabric of the plane is torn and missing and fragile. Divers cannot rest anything upon the plane. Excellent dive skills are necessary to prevent damage to the aircraft.
Underwater Landscape, Watermelon Cay, Virgin Island National Park Public domain photograph of underwater diving, free to use, no copyright restrictions image - Picryl description
The Old Man Public domain photograph of underwater diving, free to use, no copyright restrictions image - Picryl description
Scientific name: Pterois Public domain photograph of coral reef, underwater life, free to use, no copyright restrictions image - Picryl description
Ice Diving at Grand Tetons National Park
Blue angelfish are purplish to blue-green in color with yellow borders on tail and pectoral fins. The juvenile shown here has straight bars on the body which distinguish it from the juvenile Queen angelfish whi More
Bird Key wreck is a screw-driven, narrow-beamed, shallow draft, flat-bottomed steamboat. The wreck measures about 107 feet in length, 17 feet wide and is listing starboard lying with its bow facing the shore o More
Shipwrecks are artificial habitats that attract a wide variety of fishes, like the Gray Angelfish pictured here.
Dr. David Conlin, an underwater archeologist and the YDWP liaison for the National Park Service teaching skills underwater.
Spotfin Butterflyfish have bright yellow fins with a black dot on outer edge of rear dorsal fin. The very young have three black dots which joins to form a body bar as they mature which then disappears leaving More
Cold Water Closed Circuit Rebreather Diver in drysuit and dry gloves.
Full Face Mask Open Circuit Diver
The cockpit has a rolled up parachute and an instrument box. To protect the resources, and to limit vandalism, the site is limited to guided dives only.
Parrot Fish posing for the camera over several corals Public domain photograph of underwater diving, free to use, no copyright restrictions image - Picryl description
During the course of <em>Glenlyon's</em> serviceable life, the ship participated in package freight trade, the passenger freight trade and the bulk grain trade in two countries. Few ships were involved in all t More
Underwater Landscape Public domain photograph of underwater diving, free to use, no copyright restrictions image - Picryl description
Diver admires a beautiful stand of Elkhorn Coral Public domain photograph of underwater diving, free to use, no copyright restrictions image - Picryl description
Fish on Reef Public domain photograph of underwater diving, free to use, no copyright restrictions image - Picryl description
In 1986, the NPS conducted a Biofouling and Corrosion Study on the <em>USS Arizona</em>, to determine the causes and rates of deterioration of the ship components and would subsequently provide a scientific bas More
If a diver is familiar with other Caribbean dives, he or she will be surprised by the wonderfully strange Salt River canyon formations - unique in all the world - which is why it's often among the top dive site More
Mangrove Root and Sponge Fauna Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Indigo Hamlet has wide medium blue to indigo bars separated by narrower white bars. They are considered rare here. When sited they are usually near the bottom of reef areas.
The Dry Tortugas have been the site where hundreds of ships have wrecked, stranded, or sustained causalities since its discovery in 1513.
A scuba diver explores the scattered wreckage of the shipwreck, Algoma.
The wreckage of <em>Cox</em> includes four boilers. The ship lies on its port side and forward of the hull. The wreckage scatter includes machinery, structural elements, portions of the superstructure and rigging.