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Elevation and Plan of Execution Rocks Lighthouse, New York

Elevation and Plan of Execution Rocks Lighthouse, New York

Lighthouse Maps and Plans for Execution Rocks, New York

Garibaldi and California Spiny Lobsters

Garibaldi and California Spiny Lobsters

Garibaldi and California Spiny Lobsters

Pillar Coral Forest

Pillar Coral Forest

View through an underwater pillar coral forest

Underwater images - VIIS_WATER_150512-165
Underwater images - SARI_DUW_150515-125

Underwater images - SARI_DUW_150515-125

The boat mooring in Salt River canyon is in about 20 feet of water, and perfect for a safety stop or longer decompression. Here, the colors are much more vibrant and abundant barrel sponges and sealife makes ti... More

National parks: Seafan - public domain image

National parks: Seafan - public domain image

Spur and groove relief with fantastic soft and hard coral growth

Underwater images - Spotted Trunkfish

Underwater images - Spotted Trunkfish

Scientific name: Lactophrys bicaudalis

Virgin Islands public domain photo - Elkhorn Coral

Virgin Islands public domain photo - Elkhorn Coral

Elkhorn Coral is an endangered and protected species. Anchoring in the Virgin Islands National Park is only allowed in three locations. Know the regulations and keep the reefs safe for future generations. http... More

Underwater images - Great Barracuda

Underwater images - Great Barracuda

Scientific name: Sphyraena barracuda

Pink Sponge below the surface

Pink Sponge below the surface

Pink Sponge below the surface, growing on a mangrove root

Coral and Mangroves

Coral and Mangroves

Coral and Mangroves

Underwater images - Underwater Landscape
Jr. Ranger snorkeling a reef

Jr. Ranger snorkeling a reef

A Jr Ranger snorkeling a reef and looking at sealife with a buddy.

Healthy Stand of Pillar Coral

Healthy Stand of Pillar Coral

Healthy Stand of Pillar Coral

Underwater images - VIIS_Hurricane_150513-144
Underwater images - Yellowheaded Jawfish

Underwater images - Yellowheaded Jawfish

Scientific name: Opistognathus aurifrons

Underwater images - VIIS_WATER_150512-131
Underwater images - VIIS_WATER_150512-124
Underwater images - VIIS_Hurricane_150513-165
Elkhorn Coral, Seafan and Sponge

Elkhorn Coral, Seafan and Sponge

Elkhorn Coral, Seafan and Sponge in Hawksnest Bay, St. John, US Virgin Islands

School of Yellowjacks

School of Yellowjacks

Scientific name: Carangoides bartholomaei

Underwater images - Waterlemon Cay

Underwater images - Waterlemon Cay

Underwater Landscape, Watermelon Cay, Virgin Island National Park

Elkhorn (Acropora palmata), Yawzi Point, 2010

Elkhorn (Acropora palmata), Yawzi Point, 2010

Yawzi Point is an out-of-the-way spectacular reef that offers the adventurous snorklers deep water, stunning elkhorn, brain and pillar coral, and abundant fish. Always snorkel with a buddy and do not exceed your limits.

Underwater images - Gray Angelfish

Underwater images - Gray Angelfish

Scientific Name: Pomacanthus arcuatus

Underwater images - Flamingo Tongue

Underwater images - Flamingo Tongue

Flamingo Tongues feed on toxic sea fans and become toxic themselves. The bright skin of the mantel warns predators that they are poisonous, and most will leave these gastropods alone, except the Hogfish.

National parks: Hogfish - public domain image

National parks: Hogfish - public domain image

Scientific name: Lachnolaimus maximus

National parks: Lionfish - public domain image
Underwater images - SARI_DUW_150515-174
Underwater images - Red Grouper

Underwater images - Red Grouper

Scientific name: Epinephelus morio

Underwater images - SARI_DUW_150515-107

Underwater images - SARI_DUW_150515-107

The precise origin of Salt River canyon is unknown although it is thought to be an ancient river course. For more information, see: http://www.aoml.noaa.gov/general/lib/CREWS/Cleo/St.%20Croix/salt_river170.pdf

Virgin Islands public domain photo - Coral Bleaching

Virgin Islands public domain photo - Coral Bleaching

Scientist have used the analogy of half the Statue of Liberty being gone, when talking about the decline of the Virgin Islands coral reefs. Rising water temperatures brought about devastating coral bleaching ev... More

Effects of Rising Water Temperatures

Effects of Rising Water Temperatures

Above average water temperatures can lead to coral bleaching, disease and death. In additional ocean acidification is a looming threat to this species

Giant Sea Anemone

Giant Sea Anemone

The giant anemone is a tropical species found in the West Indies around rockfalls and inshore coral reefs. Like all anemones, the tips of the tentacles are packed with nematocysts (toxins) that can cause very p... More

Underwater images - SARI_DUW_150515-102

Underwater images - SARI_DUW_150515-102

Deep brown tube sponges are colorful when lit with an underwater strobe. Without lights, at greater depths, everything appears drab and colorless.

Underwater images - Scrawled Filefish

Underwater images - Scrawled Filefish

Scientific name: Aluterus scriptus

Underwater images - Kelp Bass

Underwater images - Kelp Bass

Scientific name: Paralabrax clathratus

Mangrove Root and Sponge Fauna

Mangrove Root and Sponge Fauna

Mangrove Root and Sponge Fauna

Underwater images - SARI_DUW_150515-112

Underwater images - SARI_DUW_150515-112

The canyon environments are easily accessed from shore by boat. Several local operators run daily dive trips to Salt River.

Underwater images - SARI_DUW_150515-143

Underwater images - SARI_DUW_150515-143

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

Diver admires a beautiful stand of Elkhorn Coral

Diver admires a beautiful stand of Elkhorn Coral

Diver admires a beautiful stand of Elkhorn Coral

Diver on the Muzzles of the 14-inch Guns

Diver on the Muzzles of the 14-inch Guns

All of the 14-inch guns on the <em>Arizona</em> were believed to have been salvaged during 1942 and 1943 salvage efforts, in which guns, machinery and other equipment were removed for use on other ships. In 198... More

Underwater images - VIIS_WHIS_150511-122
CHIS-3DUW-101114-152

CHIS-3DUW-101114-152

One of the largest sisters in the world, the sunflower sea stars have 16-24 limbs.

Waterlemon Cay Underwater Landscape

Waterlemon Cay Underwater Landscape

Waterlemon Cay is one of the most beautiful snorkels on island. Delicate corals, stingrays, turtles, jellyfish - - absolutely beautiful!

School of bass

School of bass

School of bass

Underwater images - Spotlight Parrotfish

Underwater images - Spotlight Parrotfish

Scientific name: Sparisoma viride

Underwater images - Blue Tang

Underwater images - Blue Tang

Blue Tang swim over a coral reef

Christmas Tree Worm

Christmas Tree Worm

Christmas Tree Worm

Virgin Islands public domain photo - Soft Corals

Virgin Islands public domain photo - Soft Corals

Soft Corals, known as gorgonians, are part of a major study by scientists looking at how populations have changed over time on St. John. Preliminary data suggests gorgonia density on St. John has been increasi... More

Underwater images - SARI_DUW_150515-162

Underwater images - SARI_DUW_150515-162

Soft and Hard corals and schools of fish in about 130fsw.

National parks: Garibaldi - public domain image

National parks: Garibaldi - public domain image

Scientific name: Hypsypops rubicundus

Snorkeler swims through a school of silversides

Snorkeler swims through a school of silversides

Snorkeler swims through a school of silversides, Dry Tortugas National Park

Underwater images - Gray Angelfish

Underwater images - Gray Angelfish

Scientific name: Pomacanthus arcuatus

Underwater images - VIIS_Hurricane_150513-139
Close up of Staghorn Coral

Close up of Staghorn Coral

Close up of Staghorn Coral

Underwater images - VIIS_Hurricane_150513-155
Underwater images - Gray Angelfish

Underwater images - Gray Angelfish

Scientific name: Pomacanthus

Underwater images - SARI_DUW_150515-111

Underwater images - SARI_DUW_150515-111

The canyon walls are a dense and diverse environment - it is no wonder to dive the St. Croix wall is on many divers "bucket list."

Underwater images - SARI_DUW_150515-156

Underwater images - SARI_DUW_150515-156

White Spotted Filefish can darken and lighten almost instantaneously!

Cabrit Underwater Scene

Cabrit Underwater Scene

Hard corals take hold even in the surf zone. Cabrit Horn is on the south shore of St. John.

Underwater images - Scrawled Cowfish

Underwater images - Scrawled Cowfish

Scientific name: Acanthostracion quadricornis

Underwater images - SARI_DUW_150515-121

Underwater images - SARI_DUW_150515-121

Net accretion on the reef has been very slow. With a mere 20 minutes of bottom times at depths of 130ft, there is not a lot of time to ponder 10,000 years of development! Scientists have taken core samples and... More

Diver admires an impressive stand of Elkhorn Coral

Diver admires an impressive stand of Elkhorn Coral

Diver admires an impressive stand of Elkhorn Coral, Biscayne National Park

Acadia national park - Healthy Seastars

Acadia national park - Healthy Seastars

Healthy seastars have been susceptible to a disease outbreak, ranging from Maine to California

Underwater images - Spotted Trunkfish

Underwater images - Spotted Trunkfish

Scientific name: Lactophrys bicaudalis

Underwater images - California Sheepshead

Underwater images - California Sheepshead

Scientific name: Semicossyphus pulcher

Diving and  Elkhorn Coral, Biscayne National Park

Diving and Elkhorn Coral, Biscayne National Park

A diver observes and impressive stand of Elkhorn coral, Biscayne National Park

Underwater images - Scorpion Fish

Underwater images - Scorpion Fish

Scientific name: Scorpaenidae

Underwater images - VIIS_JOHN_150511-138
Underwater images - SARI_DUW_150515-108

Underwater images - SARI_DUW_150515-108

A diver must monitor their depth gauge carefully, particularly in clear conditions. All recreational divers should stay within the 130fsw limit - there is much to see above these depths and nothing below to ris... More

Underwater images - Coral Wall

Underwater images - Coral Wall

Underwater landscape

Underwater images - Trumpet Fish

Underwater images - Trumpet Fish

Scientific name: Aulostomus maculatus

Banded Butterfly Fish

Banded Butterfly Fish

Scientific name: Chaetodon striatus

Soft and Hard Corals in the Coral Reef National Monument

Soft and Hard Corals in the Coral Reef National Monument

Virgin Islands Coral Reef National Monument includes federal submerged lands within the 3-mile belt off the island of St. John. These waters support a diverse and complex system of coral reefs and other ecosyst... More

Diverse Coral Reef

Diverse Coral Reef

There are now seven species of corals, found in the Caribbean, listed under the Endangered Species Act as threatened. NOAA listed 20 new corals as threatened under the Endangered Species Act, in August 2014 br... More

Underwater images - SARI_DUW_150515-100

Underwater images - SARI_DUW_150515-100

Overlapping colonies of thin sheet coral populate the sheer canyon walls for hundreds of feet.

Diver on a section of shipwreck

Diver on a section of shipwreck

Diver on a section of shipwreck

Underwater images - Ocean Sunfish

Underwater images - Ocean Sunfish

Scientific name: Mola mola

Underwater images - Gray Angelfish

Underwater images - Gray Angelfish

Scientific name: Pomacanthus arcuatus

Underwater images - VIIS_Hurricane_150513-172
Underwater images - VIIS_JOHN_150511-105
Underwater images - CHIS_DUW_111004-144

Underwater images - CHIS_DUW_111004-144

In 2013 the seastar population was hit by Sea Star Associated Densovirus (SSaDV), devastating the general population and causing much concern about the future of starfish populations in the pacific ocean. Seast... More

Underwater images - SARI_DUW_150515-131

Underwater images - SARI_DUW_150515-131

Diver and Purple tube sponge

Divers exploring a shipwreck

Divers exploring a shipwreck

Young diver being guided around a shipwreck, Windjammer Wreck, Dry Tortugas National Park

Soft Coral Underwater Landscape

Soft Coral Underwater Landscape

Soft Coral Underwater Landscape

SARI_DUW_150515-124

SARI_DUW_150515-124

NOAA Underwater Laboratory System (NULS-1) a.k.a. Hydrolab - Constructed in 1966, the Hydrolab was used as a research lab beginning in 1970. The Hydrolab, which was stationed 50-feet underwater in the Salt Rive... More

Virgin Islands public domain photo - Black Coral

Virgin Islands public domain photo - Black Coral

Black Coral grow deep and the species is rare. The Virgin Islands Coral Reef Monument was set aside by President Clinton to preserve and protect sensitive coral reef resources. Black Coral is protected worldwid... More

US COAST GUARD BOATING SAFETY

US COAST GUARD BOATING SAFETY

(July 17)--A partially submerged pleasure craft is inspected by a Coast Guard person. U.S. COAST GUARD PHOTO

US COAST GUARD BOATING SAFETY

US COAST GUARD BOATING SAFETY

(July 17)--A partially submerged pleasure craft. U.S. COAST GUARD PHOTO

Marines and Sailors from Special-Purpose Marine Air-Ground

Marines and Sailors from Special-Purpose Marine Air-Ground

Marines and Sailors from Special-Purpose Marine Air-Ground Task Force Africa 13.3 familiarize themselves with the emergency breathing device at the Water Survival Training Facility aboard Marine Corps Base Camp... More

Camp Hansen Egress Training Facility increases safety

Camp Hansen Egress Training Facility increases safety

The modular amphibious egress trainer sits empty Aug. 20 at the Camp Hansen Aquatic Center. The MAET can be arranged to mimic the interior of different types of helicopters. Service members use the MAET to lear... More

Crews across multiple agencies search for a pilot off

Crews across multiple agencies search for a pilot off

Crews across multiple agencies search for a pilot off Cape May Point, New Jersey, where the plane he was in was seen crashing into the ocean Wednesday, May 29, 2019. Coast Guard Station Cape May, Coast Guard Ai... More

Coast Guard boat crew assesses aground, submerged recreational vessel in the Wrangell Narrows, Alaska

Coast Guard boat crew assesses aground, submerged recreational vessel ...

Rescue and assistance team members from the Coast Guard Cutter Bailey Barco assess the 52-foot recreational vessel Heather Anne near marker 16 in the Wrangell Narrows, Alaska. The team attempted to assist the v... More

Marines and Sailors from Special-Purpose Marine Air-Ground

Marines and Sailors from Special-Purpose Marine Air-Ground

Marines and Sailors from Special-Purpose Marine Air-Ground Task Force Africa 13.3 receive a brief from Glenn LaMarque, an Under Water Training Instructor, before being fully submerged at the Water Survival Trai... More

The Coast Guard responded to a report of an unmanned,

The Coast Guard responded to a report of an unmanned,

The Coast Guard responded to a report of an unmanned, partially submerged vessel about a half mile offshore of Hilton Hawaiian Village on Waikiki Beach, Oahu, Sept. 7, 2015. The vessel was towed into the Ala Wa... More

Crews across multiple agencies search for a pilot off

Crews across multiple agencies search for a pilot off

Crews across multiple agencies search for a pilot off Cape May Point, New Jersey, where the plane he was in was seen crashing into the ocean Wednesday, May 29, 2019. Coast Guard Station Cape May, Coast Guard Ai... More

Marines from Special-Purpose Marine Air-Ground Task

Marines from Special-Purpose Marine Air-Ground Task

Marines from Special-Purpose Marine Air-Ground Task Force Africa 13.3 surface from the water after successfully egressing from a simulated helicopter crash at the Water Survival Training Facility aboard Marine ... More

The Coast Guard responded to a report of an unmanned,

The Coast Guard responded to a report of an unmanned,

The Coast Guard responded to a report of an unmanned, partially submerged vessel about a half mile offshore of Hilton Hawaiian Village on Waikiki Beach, Oahu, Sept. 7, 2015. The vessel was towed into the Ala Wa... More

Crews across multiple agencies search for a pilot off

Crews across multiple agencies search for a pilot off

Crews across multiple agencies search for a pilot off Cape May Point, New Jersey, where the plane he was in was seen crashing into the ocean Wednesday, May 29, 2019. Coast Guard Station Cape May, Coast Guard Ai... More

Marines and Sailors from Special-Purpose Marine Air-Ground

Marines and Sailors from Special-Purpose Marine Air-Ground

Marines and Sailors from Special-Purpose Marine Air-Ground Task Force Africa 13.3 put on modular tactical vests during their final exercise at the Water Survival Training Facility aboard Marine Corps Base Camp ... More

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