Description not available.

Description not available.

Map of deep sea expeditions by Dr. Georg von Boguslawski. Includes tracks of CHALLENGER, GAZELLE, and TUSCARORA with many of the observed depths. In: "Der Tiefsee" by Boguslawski. Library Call Number C/L C67.5 T .

Map of major marine currents of the world in: "Physical Geography," by Arnold Guyot, 1873. P. 66. Call no. 551.4 G989ph .

"Tidal Wave in the Three Great Oceans" showing the theorized course of the tides and "The Great River Basins of the World." In: "Physical Geography," by Arnold Guyot, 1873. P. 66. Call no. 551.4 G989ph .

Map of the then recently discovered "Planet Deep". Named for the German research ship Planet. This deep was discovered in 1912 and at 9788 meters off the northeast tip of Mindanao, it was then the deepest known spot in the ocean. In: Zeitschrift der Gesellschaft fur Erdkunde, 1912. P. 630.

Endangered sea turtle cruises a coral reef in the Florida Keys.

Sharks are a valuable fishery for their fins, a delicacy in the Orient.

Ocean sunfish floats serenely in midwater. Mola mola.

School of myctophid midwater fish are important prey for game fish.

Bass photographed by ROV in Lake Malawi, Africa.

Salmon spawning in a northwest U.S. hatchery.

Cunner inhabit a rocky reefs in New England.

School of northern anchovies make great sardines. Engraulis mordax.

Northern anchovies are important prey for marine mammals and game fish

School of yellow fin tuna, hunted and hunter along the Gulf Stream. Thunnus albacares.

Amberjack are a common sight on Carolina artificial reefs. Seriola dumerili.

Small gobie scavenges on remains of a tiny clam.

French angelfish are common on shallow tropical reefs. Pomacanthus paru.

Purple reef fish use corals for refuge from larger predators. Chromis cyaneus.

Tilefish live in burrows, sometimes forming undersea Pueblo villages. Lopholatilus chamaeleonticeps.

Goosefish laying camoflaged on a northern rocky reef. Lophius americanus.

Yellow-headed wrasse hover over brain coral. Halichoeres garnoti.

Brain corals are an important reef building species throughout the tropics. Diploria sp.

Bank sea bass pick through the rubble near temperate reefs. Centropristis sp.

Rock fish blends in with soft coral cover.

Rat-tail, also known as a grenadier. These bony fish inhabit sandy plains along the continental slope. Grenadier belong to the family Macrouridae and are gadiformes (cod-like fishes).

Balloonfish deflated and resting. Diodon holocanthus.

Manta ray rises from the sand at the base of a Carolina reef.

Northern tilefish inspects its deep sea burrow off New England. Lopholatilus chamaeleonticeps.

Nassau grouper ambushes its prey on Caribbean coral reefs. Epinephelus striatus.

Blackbar soldierfish huddle within a coral reef nook. Myripristus jacobus.

Yelloweye rockfish, Sebastes ruberrimus, is a species in a common genus of Pacific rockfish.

Lingcod, Ophiodon elongatus, are an important commercial and recreational fish species.

Wolf-eels, Anarrhichthys ocellatus, have powerful jaws for crushing bivalves.

Bat-fish, wearing too much make-up, poses to intimidate. Ogcocephalus parvus.

Scorpionfish's ugly visage allows it to hide in northern seaweed beds. Scorpaena plumieri.

Diver observes French angelfish. Pomacanthus paru.

Gag is the most common grouper in the southeast U.S. Mycteroperca microlepis.

Spotted moray eel slithers among the reef growth. Gymnothorax moringa.

Spotted eagle ray soars over Florida Keys reefs. Aetobatus sp.

Green moray eel caught in a fish trap eats the other inmates. Gymnothorax sp.

Nassau grouper eyeing its next meal. Epinephelus striatus.

Jackknife-fish's coloration makes it stand out to potential mates. Equetus lanceolatus.

Garibaldis are common in California kelp-beds. Hypsypops rubicundus.

Seahorse fathers rear their young in a pouch, like kangaroos. Hippocampus erectus.

Juvenile codfish caught in a gill net. Gadus morhua.

A spotted goosefish on basalt boulder in 780 meters off Hawaii

Vase sponge and squirrel fish off NURC station in Bahamas

Jellyfish may be the most common ocean animal, but are hard to catch in nets.